Mathematics for the Trades: A Guided Approach (10th Edition) - Standalone book
10th Edition
ISBN: 9780133347777
Author: Robert A. Carman Emeritus, Hal M. Saunders
Publisher: PEARSON
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Chapter 4.3, Problem 7CE
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Consider the grades for the math and history exams for 10 students on a scale from 0 to 12 in the following table.
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Compute the Spearman correlation coefficient. Round your answer to three decimal places.
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To compare two elementary schools regarding teaching of reading skills, 12 sets of identical twins were used. In each case, one child was selected at random and sent to school A, and his or her twin was sent to school B. Near the end of fifth grade, an achievement test was given to each child. The results follow:
Twin Pair
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School A
169
157
115
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School B
123
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School A
120
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145
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117
School B
153
90
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142
102
Suppose a sign test for matched pairs with a 1% level of significance is used to test the hypothesis that the schools have the same effectiveness in teaching reading skills against the alternate hypothesis that the schools have different levels of effectiveness in teaching reading skills. Let p denote portion of positive signs when the scores of school B are subtracted from the corresponding scores of school…
Chapter 4 Solutions
Mathematics for the Trades: A Guided Approach (10th Edition) - Standalone book
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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Publisher:Cengage Learning,
Elementary Algebra
Algebra
ISBN:9780998625713
Author:Lynn Marecek, MaryAnne Anthony-Smith
Publisher:OpenStax - Rice University
Understanding Fractions, Improper Fractions, and Mixed Numbers; Author: Professor Dave Explains;https://www.youtube.com/watch?v=qyW2mWvvtZ8;License: Standard YouTube License, CC-BY