EBK MATHEMATICS FOR THE TRADES
10th Edition
ISBN: 9780100803053
Author: SAUNDERS
Publisher: YUZU
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Textbook Question
Chapter 4.2, Problem 17BE
Practical Applications
Machine Trades It is known that a cable with a cross-sectional area of 0.60 sq in. has a capacity to hold 2500 lb. If the capacity of the cable is proportional to its cross-sectional area, what size cable is needed to hold 4000 lb?
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Students have asked these similar questions
(a) Test the hypothesis.
Consider the hypothesis test Ho
=
:
against H₁o < 02. Suppose that the sample sizes aren₁ =
7 and n₂
= 13 and that
$²
= 22.4 and $22
= 28.2. Use α = 0.05.
Ho
is not
✓ rejected.
9-9
IV
(b) Find a 95% confidence interval on of 102. Round your answer to two decimal places (e.g. 98.76).
Let us suppose we have some article reported on a study of potential sources of injury to equine veterinarians conducted at a
university veterinary hospital. Forces on the hand were measured for several common activities that veterinarians engage in when
examining or treating horses. We will consider the forces on the hands for two tasks, lifting and using ultrasound. Assume that both
sample sizes are 6, the sample mean force for lifting was 6.2 pounds with standard deviation 1.5 pounds, and the sample mean force
for using ultrasound was 6.4 pounds with standard deviation 0.3 pounds. Assume that the standard deviations are known.
Suppose that you wanted to detect a true difference in mean force of 0.25 pounds on the hands for these two activities. Under the null
hypothesis, 40 = 0. What level of type II error would you recommend here?
Round your answer to four decimal places (e.g. 98.7654). Use a
= 0.05.
β
= i
What sample size would be required?
Assume the sample sizes are to be equal.…
=
Consider the hypothesis test Ho: μ₁ = μ₂ against H₁ μ₁ μ2. Suppose that sample sizes are n₁ =
15 and n₂ =
15, that x1 = 4.7
and X2 = 7.8 and that s² = 4 and s² = 6.26. Assume that o and that the data are drawn from normal distributions. Use
απ 0.05.
(a) Test the hypothesis and find the P-value.
(b) What is the power of the test in part (a) for a true difference in means of 3?
(c) Assuming equal sample sizes, what sample size should be used to obtain ẞ = 0.05 if the true difference in means is - 2? Assume
that α = 0.05.
(a) The null hypothesis is
98.7654).
rejected. The P-value is 0.0008
(b) The power is 0.94
. Round your answer to four decimal places (e.g.
Round your answer to two decimal places (e.g. 98.76).
(c) n₁ = n2 =
1
. Round your answer to the nearest integer.
Chapter 4 Solutions
EBK MATHEMATICS FOR THE TRADES
Ch. 4.1 - Complete the following tables.Ch. 4.1 - A. Complete the following tables. 2.Ch. 4.1 - A. Complete the following tables. 3.Ch. 4.1 - Solve these proportion equations. 32=x8Ch. 4.1 - Solve these proportion equations. 6R=572Ch. 4.1 - Solve these proportion equations. y60=53Ch. 4.1 - Solve these proportion equations. 215=8HCh. 4.1 - Solve these proportion equations. 5P=307Ch. 4.1 - Solve these proportion equations. 16=17xCh. 4.1 - Solve these proportion equations. A2.5=1310
Ch. 4.1 - Solve these proportion equations. 27M=30.8Ch. 4.1 - Solve these proportion equations. 25=T4.5Ch. 4.1 - Solve these proportion equations. 0.12N=27Ch. 4.1 - Solve these proportion equations. 13823=18xCh. 4.1 - Solve these proportion equations. 3.251.5=A0.6Ch. 4.1 - Solve these proportion equations. x34.86=1.28.3Ch. 4.1 - Solve these proportion equations. 212R=114314Ch. 4.1 - Solve these proportion equations....Ch. 4.1 - Solve these proportion equations....Ch. 4.1 - Solve these proportion equations....Ch. 4.1 - Solve these proportion equations. 312in.W=1.40.05Ch. 4.1 - Solve. Automotive Trades The compression ratio in...Ch. 4.1 - Prob. 2CECh. 4.1 - Solve. Machine Trades If 28 tapered pins can be...Ch. 4.1 - Solve. Carpentry If 6 lb of nails are needed for...Ch. 4.1 - Solve. Masonry For a certain kind of plaster work,...Ch. 4.1 - Prob. 6CECh. 4.1 - Solve. Machine Trades A cylindrical oil tank 8 ft...Ch. 4.1 - Prob. 8CECh. 4.1 - Solve. Welding A 10-ft bar of I-beam weighs 208...Ch. 4.1 - Solve. Photography A photographer must mix a...Ch. 4.1 - Solve. General Trades If you earn 684.80 for a...Ch. 4.1 - Solve. Machine Trades A machinist can produce 12...Ch. 4.1 - Solve. Automotive Trades The headlights on a car...Ch. 4.1 - Prob. 14CECh. 4.1 - Solve. Agriculture To prepare a pesticide spray,...Ch. 4.1 - Solve. Painting A painter must thin some paint for...Ch. 4.1 - Solve. Allied Health The label on a concentrated...Ch. 4.1 - Solve. Automotive Trades In winter weather,...Ch. 4.1 - Prob. 19CECh. 4.1 - Prob. 20CECh. 4.1 - Prob. 21CECh. 4.1 - Solve. Sports and Leisure Power hitter Sammy...Ch. 4.1 - Prob. 23CECh. 4.1 - Prob. 24CECh. 4.1 - Solve. Allied Health Medication Q is available...Ch. 4.1 - Prob. 26CECh. 4.1 - Prob. 27CECh. 4.1 - Prob. 28CECh. 4.1 - Prob. 29CECh. 4.1 - Prob. 30CECh. 4.1 - Solve. Trades Management A small welding shop...Ch. 4.1 - Prob. 32CECh. 4.1 - Prob. 33CECh. 4.1 - Prob. 34CECh. 4.1 - Prob. 35CECh. 4.2 - Complete the following tables. 1. Similar...Ch. 4.2 - Complete the following tables. 2. Similar figuresCh. 4.2 - Complete the following tables.Ch. 4.2 - Complete the following tables.Ch. 4.2 - Practical Applications Problem 1 Metalworking A...Ch. 4.2 - Practical Applications Architecture The...Ch. 4.2 - Practical Applications Automotive Trades...Ch. 4.2 - Practical Applications Transportation The distance...Ch. 4.2 - Prob. 5BECh. 4.2 - Practical Applications Industrial Technology If 60...Ch. 4.2 - Practical Applications Automotive Trades If the...Ch. 4.2 - Practical Applications General Trades The length...Ch. 4.2 - Practical Applications Construction The Santa...Ch. 4.2 - Practical Applications Machine Trades A pair of...Ch. 4.2 - Practical Applications Manufacturing A 15-tooth...Ch. 4.2 - Practical Applications Electronics The power gain...Ch. 4.2 - Prob. 13BECh. 4.2 - Prob. 14BECh. 4.2 - Practical Applications Automotive Trades The...Ch. 4.2 - Prob. 16BECh. 4.2 - Practical Applications Machine Trades It is known...Ch. 4.2 - Prob. 18BECh. 4.2 - Prob. 19BECh. 4.2 - Practical Applications Architecture A wrought-iron...Ch. 4.2 - Prob. 21BECh. 4.2 - Electrical Trades The electrical resistance of a...Ch. 4.2 - Prob. 23BECh. 4.2 - Practical Applications Sheet Metal Trades If the...Ch. 4.2 - Prob. 25BECh. 4.2 - Prob. 26BECh. 4.2 - Prob. 27BECh. 4.2 - Prob. 28BECh. 4.2 - Prob. 29BECh. 4.2 - Prob. 30BECh. 4.2 - Prob. 31BECh. 4.3 - Prob. 1AECh. 4.3 - Convert to a percent. 1Ch. 4.3 - Convert to a percent. 0.5Ch. 4.3 - Prob. 4AECh. 4.3 - Prob. 5AECh. 4.3 - Prob. 6AECh. 4.3 - Prob. 7AECh. 4.3 - Prob. 8AECh. 4.3 - Prob. 9AECh. 4.3 - Prob. 10AECh. 4.3 - Prob. 11AECh. 4.3 - Prob. 12AECh. 4.3 - Prob. 13AECh. 4.3 - Prob. 14AECh. 4.3 - Prob. 15AECh. 4.3 - Prob. 16AECh. 4.3 - Convert to a percent. 32Ch. 4.3 - Prob. 18AECh. 4.3 - Prob. 19AECh. 4.3 - Convert to a percent. 15Ch. 4.3 - Prob. 21AECh. 4.3 - Prob. 22AECh. 4.3 - Prob. 23AECh. 4.3 - Prob. 24AECh. 4.3 - Prob. 25AECh. 4.3 - Prob. 26AECh. 4.3 - Prob. 27AECh. 4.3 - Prob. 28AECh. 4.3 - Prob. 29AECh. 4.3 - Prob. 30AECh. 4.3 - Prob. 31AECh. 4.3 - Prob. 32AECh. 4.3 - Prob. 33AECh. 4.3 - Prob. 34AECh. 4.3 - Prob. 35AECh. 4.3 - Prob. 36AECh. 4.3 - Prob. 37AECh. 4.3 - Prob. 38AECh. 4.3 - Prob. 39AECh. 4.3 - Prob. 40AECh. 4.3 - Prob. 1BECh. 4.3 - Prob. 2BECh. 4.3 - Prob. 3BECh. 4.3 - Prob. 4BECh. 4.3 - Prob. 5BECh. 4.3 - Prob. 6BECh. 4.3 - Prob. 7BECh. 4.3 - Prob. 8BECh. 4.3 - Prob. 9BECh. 4.3 - Prob. 10BECh. 4.3 - Prob. 11BECh. 4.3 - Prob. 12BECh. 4.3 - Prob. 13BECh. 4.3 - Prob. 14BECh. 4.3 - Prob. 15BECh. 4.3 - Prob. 16BECh. 4.3 - Prob. 17BECh. 4.3 - Prob. 18BECh. 4.3 - Prob. 19BECh. 4.3 - Prob. 20BECh. 4.3 - Prob. 21BECh. 4.3 - Prob. 22BECh. 4.3 - Prob. 23BECh. 4.3 - Prob. 24BECh. 4.3 - Prob. 25BECh. 4.3 - Prob. 26BECh. 4.3 - Prob. 27BECh. 4.3 - Prob. 28BECh. 4.3 - Prob. 29BECh. 4.3 - Prob. 30BECh. 4.3 - Prob. 31BECh. 4.3 - Prob. 32BECh. 4.3 - Prob. 1CECh. 4.3 - Prob. 2CECh. 4.3 - Prob. 3CECh. 4.3 - Prob. 4CECh. 4.3 - Prob. 5CECh. 4.3 - Prob. 6CECh. 4.3 - Prob. 7CECh. 4.3 - Prob. 8CECh. 4.3 - Prob. 9CECh. 4.3 - Rewrite each percent as a fraction in lowest...Ch. 4.3 - Prob. 11CECh. 4.3 - Prob. 12CECh. 4.3 - Prob. 13CECh. 4.3 - Prob. 14CECh. 4.3 - Prob. 15CECh. 4.3 - Prob. 16CECh. 4.3 - Prob. 17CECh. 4.3 - Prob. 18CECh. 4.3 - Prob. 19CECh. 4.3 - Prob. 20CECh. 4.4 - Solve. 4 is _________ % of 5.Ch. 4.4 - Prob. 2AECh. 4.4 - Prob. 3AECh. 4.4 - Prob. 4AECh. 4.4 - Prob. 5AECh. 4.4 - Prob. 6AECh. 4.4 - Prob. 7AECh. 4.4 - Prob. 8AECh. 4.4 - Solve. What percent of 54 is 36?Ch. 4.4 - Prob. 10AECh. 4.4 - Prob. 11AECh. 4.4 - Solve. 13 is what percent of 25?Ch. 4.4 - Prob. 13AECh. 4.4 - Prob. 14AECh. 4.4 - Prob. 15AECh. 4.4 - Solve. 60% of what number is 14?Ch. 4.4 - Prob. 17AECh. 4.4 - Prob. 18AECh. 4.4 - Prob. 19AECh. 4.4 - Prob. 20AECh. 4.4 - Solve. 30% of what number is equal to 12?Ch. 4.4 - Prob. 22AECh. 4.4 - Prob. 23AECh. 4.4 - Prob. 24AECh. 4.4 - Prob. 1BECh. 4.4 - Solve. What percent of 10 is 2.5?Ch. 4.4 - Solve. 6% of 3.29 is _________.Ch. 4.4 - Prob. 4BECh. 4.4 - Prob. 5BECh. 4.4 - Prob. 6BECh. 4.4 - Prob. 7BECh. 4.4 - Solve. 0.75 is _________ % of 37.50.Ch. 4.4 - Prob. 9BECh. 4.4 - Prob. 10BECh. 4.4 - Prob. 11BECh. 4.4 - Prob. 12BECh. 4.4 - Prob. 13BECh. 4.4 - Prob. 14BECh. 4.4 - Prob. 15BECh. 4.4 - Prob. 16BECh. 4.4 - Prob. 17BECh. 4.4 - Prob. 18BECh. 4.4 - Prob. 1CECh. 4.4 - Prob. 2CECh. 4.4 - Prob. 3CECh. 4.4 - Practical Applications Masonry On the basis of...Ch. 4.4 - Practical Applications Automotive Trades The...Ch. 4.4 - Prob. 6CECh. 4.4 - Practical Applications General Trades A worker...Ch. 4.4 - Prob. 8CECh. 4.4 - Prob. 9CECh. 4.4 - Prob. 10CECh. 4.4 - Practical Applications Carpentry Preparing an...Ch. 4.4 - Practical Applications Printing Jiffy Print needs...Ch. 4.4 - Prob. 13CECh. 4.4 - Prob. 14CECh. 4.4 - Prob. 15CECh. 4.4 - Prob. 16CECh. 4.4 - Construction Quality Homes Construction Company...Ch. 4.4 - Prob. 18CECh. 4.4 - Practical Applications Allied Health A typical...Ch. 4.4 - Prob. 20CECh. 4.4 - Prob. 21CECh. 4.4 - Prob. 22CECh. 4.4 - Sports and Leisure During the 2012 Wimbledon...Ch. 4.4 - Prob. 24CECh. 4.4 - Prob. 25CECh. 4.4 - Prob. 26CECh. 4.4 - Prob. 27CECh. 4.4 - Prob. 28CECh. 4.4 - Practical Applications Welding The allowable shear...Ch. 4.4 - Practical Applications Water/Wastewater Treatment...Ch. 4.4 - Prob. 31CECh. 4.4 - Prob. 32CECh. 4.4 - Prob. 33CECh. 4.4 - Prob. 34CECh. 4.4 - Prob. 35CECh. 4.4 - Prob. 36CECh. 4.4 - Allied Health A pharmaceutical sales...Ch. 4.4 - Prob. 38CECh. 4.4 - Prob. 39CECh. 4.5 - Electronics A CB radio is rated at 7.5 watts, and...Ch. 4.5 - Prob. 2ECh. 4.5 - Electrical Trades An engine supplies 110 hp to an...Ch. 4.5 - Prob. 4ECh. 4.5 - Prob. 5ECh. 4.5 - Prob. 6ECh. 4.5 - Prob. 7ECh. 4.5 - Life Skills If you earn 12% commission on sales of...Ch. 4.5 - Metalworking On a cutting operation, 2 sq ft of...Ch. 4.5 - Prob. 10ECh. 4.5 - Prob. 11ECh. 4.5 - Prob. 12ECh. 4.5 - Manufacturing A small gasoline shop engine...Ch. 4.5 - Prob. 14ECh. 4.5 - Prob. 15ECh. 4.5 - Trades Management A welding shop charges the...Ch. 4.5 - Prob. 17ECh. 4.5 - Prob. 18ECh. 4.5 - Prob. 19ECh. 4.5 - Prob. 20ECh. 4.5 - Prob. 21ECh. 4.5 - Interior Design An interior designer working for a...Ch. 4.5 - Retail Merchandising A one-terabyte external hard...Ch. 4.5 - Trades Management Chris paid for the initial...Ch. 4.5 - Prob. 25ECh. 4.5 - Prob. 26ECh. 4.5 - Prob. 27ECh. 4.5 - Prob. 28ECh. 4.5 - Automotive Trades A new tire had a tread depth of...Ch. 4.5 - Prob. 30ECh. 4.5 - Prob. 31ECh. 4.5 - Prob. 32ECh. 4.5 - Prob. 33ECh. 4.5 - Machine Trades Complete the following table of...Ch. 4.5 - Electrical Trades An electrician purchases some...Ch. 4.5 - Prob. 36ECh. 4.5 - Prob. 37ECh. 4.5 - Culinary Arts A wholesale food sales rep is paid a...Ch. 4.5 - Life Skills A sales rep for roofing materials...Ch. 4.5 - Prob. 40ECh. 4.5 - Trades Management Last year, the owner of the...Ch. 4.5 - Trades Management Because it has a history of...Ch. 4.5 - Prob. 43ECh. 4.5 - Prob. 44ECh. 4.5 - Prob. 45ECh. 4.5 - Prob. 46ECh. 4.5 - Prob. 47ECh. 4.5 - Prob. 48ECh. 4.5 - Prob. 49ECh. 4.5 - Prob. 50ECh. 4.5 - Prob. 51ECh. 4.5 - Prob. 52ECh. 4.5 - Allied Health A patient originally weighing 180 lb...Ch. 4.5 - Solve
Retail Merchandising A jacket was reduced in...Ch. 4.5 - Prob. 55ECh. 4.5 - Prob. 56ECh. 4.5 - Prob. 57ECh. 4.5 - Prob. 58ECh. 4.5 - Prob. 59ECh. 4.5 - Prob. 60ECh. 4.5 - Prob. 61ECh. 4 - Calculate ratios. (a) Find the ratio of the pulley...Ch. 4 - Solve proportions. (a) Solve for x. 8x=1215...Ch. 4 - Solve problems involving proportions. (a)...Ch. 4 - Write fractions and decimal numbers as percents....Ch. 4 - Prob. 5PCh. 4 - Solve problems involving percent. (a) Find 3712 of...Ch. 4 - A. Complete the following tables.Ch. 4 - A. Complete the following tables.Ch. 4 - B. Solve the following proportions. 56=x42Ch. 4 - B. Solve the following proportions. 815=12xCh. 4 - Prob. 3BPSCh. 4 - B. Solve the following proportions. 312x=51418Ch. 4 - B. Solve the following proportions. 1.65.2=4.4xCh. 4 - B. Solve the following proportions....Ch. 4 - C. Write each number as a percent. 0.72Ch. 4 - C. Write each number as a percent. 0.06Ch. 4 - Prob. 3CPSCh. 4 - C. Write each number as a percent. 0.358Ch. 4 - Prob. 5CPSCh. 4 - C. Write each number as a percent. 3.03Ch. 4 - Prob. 7CPSCh. 4 - Prob. 8CPSCh. 4 - Prob. 9CPSCh. 4 - C. Write each number as a percent. 235Ch. 4 - Prob. 1DPSCh. 4 - Prob. 2DPSCh. 4 - Prob. 3DPSCh. 4 - D. Write each percent as a decimal number. 94%Ch. 4 - Prob. 5DPSCh. 4 - D. Write each percent as a decimal number. 0.09%Ch. 4 - Prob. 7DPSCh. 4 - Prob. 8DPSCh. 4 - Prob. 9DPSCh. 4 - D. Write each percent as a decimal number. 8.02%Ch. 4 - Prob. 11DPSCh. 4 - D. Write each percent as a decimal number. 210%Ch. 4 - Prob. 1EPSCh. 4 - E. Write each of the following percents as a...Ch. 4 - Prob. 3EPSCh. 4 - Prob. 4EPSCh. 4 - Prob. 5EPSCh. 4 - Prob. 6EPSCh. 4 - Prob. 7EPSCh. 4 - E. Write each of the following percents as a...Ch. 4 - F. Solve. 3 is _____ % of 5.Ch. 4 - F. Solve. 5% is 120 is _____.Ch. 4 - Prob. 3FPSCh. 4 - F. Solve. 16 is what percent of 8?Ch. 4 - Prob. 5FPSCh. 4 - F. Solve. 1.38 is _____ % of 1.15.Ch. 4 - Prob. 7FPSCh. 4 - F. Solve. 250% of 50 is _____.Ch. 4 - Prob. 9FPSCh. 4 - Prob. 10FPSCh. 4 - Prob. 1GPSCh. 4 - Metalworking Cast iron contains up to 4.5% carbon,...Ch. 4 - Prob. 3GPSCh. 4 - Prob. 4GPSCh. 4 - Prob. 5GPSCh. 4 - Retail Merchandising A computer printer sells for...Ch. 4 - Prob. 7GPSCh. 4 - Prob. 8GPSCh. 4 - Prob. 9GPSCh. 4 - Masonry A mason must purchase enough mortar mix to...Ch. 4 - Manufacturing A production job is bid at 6275, but...Ch. 4 - Metalworking When heated, a metal rod expands...Ch. 4 - Prob. 13GPSCh. 4 - Automotive Trades A 140-hp automobile engine...Ch. 4 - Prob. 15GPSCh. 4 - Prob. 16GPSCh. 4 - Prob. 17GPSCh. 4 - Trades Management To purchase a truck for his...Ch. 4 - Prob. 19GPSCh. 4 - Interior Design An interior designer is able to...Ch. 4 - Prob. 21GPSCh. 4 - Prob. 22GPSCh. 4 - Prob. 23GPSCh. 4 - Automotive Trades The headlights on a car are...Ch. 4 - Prob. 25GPSCh. 4 - Prob. 26GPSCh. 4 - Prob. 27GPSCh. 4 - Prob. 28GPSCh. 4 - Machine Trades Six steel parts weigh 1.8 lb. How...Ch. 4 - Prob. 30GPSCh. 4 - Prob. 31GPSCh. 4 - Drafting Drafters usually use a scale of 14 in. =...Ch. 4 - Prob. 33GPSCh. 4 - Prob. 34GPSCh. 4 - Prob. 35GPSCh. 4 - Prob. 36GPSCh. 4 - Prob. 37GPSCh. 4 - Printing A printer needs 12,000 good copies of a...Ch. 4 - Prob. 39GPSCh. 4 - Prob. 40GPSCh. 4 - Prob. 41GPSCh. 4 - General Trades Find the missing dimension in the...Ch. 4 - Physics In a closed container, the pressure is...Ch. 4 - Automotive Trades The mechanical efficiency of a...Ch. 4 - Prob. 45GPSCh. 4 - Allied Health Calculate the percent concentration...Ch. 4 - Prob. 47GPSCh. 4 - Prob. 48GPSCh. 4 - Prob. 49GPSCh. 4 - Prob. 50GPSCh. 4 - Prob. 51GPSCh. 4 - Prob. 52GPSCh. 4 - Prob. 53GPSCh. 4 - Prob. 54GPSCh. 4 - Prob. 55GPSCh. 4 - Prob. 56GPSCh. 4 - Prob. 57GPSCh. 4 - Prob. 58GPSCh. 4 - Prob. 59GPSCh. 4 - Plumbing A homeowner purchases a new hot-water...Ch. 4 - Prob. 61GPSCh. 4 - Prob. 62GPSCh. 4 - Prob. 63GPSCh. 4 - Prob. 64GPSCh. 4 - Prob. 65GPS
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