22. Each American uses 650 pounds of paper a year. Suppose that the distribution is normal with a population standard deviation of 153.5 pounds. Find the probability that a randomly selected American uses: a.) More than 800 pounds b.) Less than 400 pounds c.) Between 500 and 700 pounds a year

22. Each American uses 650 pounds of paper a year. Suppose that the distribution is normal with a population standard deviation of 153.5 pounds. Find the probability that a randomly selected American uses: a.) More than 800 pounds b.) Less than 400 pounds c.) Between 500 and 700 pounds a year

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

See similar textbooks

Related questions

Q: 00 freshmen at Arundel University took part in a math comprehension test. The scores were normally…

A: The middle (center) of the normal curve represents the mean of the curve. The normal curve is the…

Q: SAT exam scores are normally distributed with mean 500 and standard deviation 100. Give the…

A: Let X= SAT exam score Given that X follows normal distribution with mean=500 and standard deviation…

Q: 1. A set of 125 golf scores are normally distributed with a mean of 76 and a standard deviation of…

Q: SAT exam scores are normally distributed with mean 500 and standard deviation 100. Give the…

A: Let X= SAT exam score Given that X follows normal distribution with mean=500 and standard deviation…

Q: he average price of a college math textbook is $164 and the standard deviation is $27. Suppose…

Q: Assume that 11% of Douglas College students are left-handed. Suppose you randomly select 100…

A: Given that n= number of observation= 100 p= probability of success= 11%=0.11 since each trial is…

Q: In a dependent sample t-test, you calculate the standard deviation for the a) difference scores b)…

A: In this we have to tell that, for what values we calculate the standard deviation while using the…

Q: he number of ants per acre in the forest is normally distributed with mean 43,000 and standard…

A: From the provided information, Mean (µ) = 43000 Standard deviation (σ) = 12340 X~N (43000, 12340)

Q: 6. The daily temperature in Cairns, Australia in June is normally distributed with a mean of 22.5°C…

Q: An airliner carries 150 passengers and has doors with a height of 70 in. Heights of men are normally…

Q: A simple random sample of size n = 120 is obtained from a population with mean 240 and standard…

A: Given that sample size n = 120 population with mean 240 and standard deviation 48 So, sample mean=…

Q: The number of ants per acre in the forest is normally distributed with mean 43,000 and standard…

A: As due to the honor-code, we are authorized to answer only 3 subparts for each question and that you…

Q: Use the data in the following table, which lists drive-thru order accuracy at popular fast food…

Q: The probability of a radar station detecting an enemy plane is 0.85. If 4 stations are in use, what…

A: The probability of a radar station detecting an enemy plane is 0.85. If 4 stations are in use, what…

Q: In a normal distribution, about what proportion of cases falls within +/- 1 standard deviation from…

A: From the provided information,It is asked what proportion of cases falls within +/- 1 standard…

Q: ) Find the mean, u, for the binomial distribution which has the stated values of n and p. Round…

A: given data binomial distribution n= 676 p = 0.7 mean(μ) = ?

Q: Twelve professional gamers were asked their age (in years) when they first began playing their game…

A: We first find the mean

Q: Use the data in the following table, which lists drive-thru order accuracy at popular fast food…

A: The table represents drive-thru order accuracy at popular fast food chains. Drive-thru Restaurant…

Q: Use the normal distribution of SAT critical reading scores for which the mean is 513 and the…

Q: Scores of adults on the Wechsler Adult Intelligence scale follow a Normal distribution. The middle…

A: Scores of adults on the Wechsler Adult Intelligence scale follow a Normal distribution meaning the…

Q: The following are the numbers of passengers on the minibus tour of Hollywood. 7 12 6 11 4 10 10 11 9…

A: For the given data Find sample s.d = ? P63 =? Q3 =? D6 = ?

Q: IV. SAMPLING AND SAMPLING DISTRIBUTIONS a. Assume that the average weight of an NFL player is 245.7…

Q: The weights of beagles (dogs) have approximately a normal distribution with u = 17.1 pounds and a…

A: Solution: Let X be the weight of beagles. From the given information, X follows normal distribution…

Q: Suppose that 100,000 recent grads have starting salaries which are normally distributed with a mean…

A: (d) Obtain the number of recent grads earns above $95,000. The number of recent grads earns above…

Q: that the heights of students at a university follow a normal distribution with a mean of 170 cm and…

A: It is given that Suppose that the heights of students at a university follow a…

Q: 1. An unknown distribution has a mean of 35 and a standard deviation of 6. Samples of size n = 40…

Q: d. If the mean fill volume is 12.1 oz, what should the stan- dard deviation of fill volume equal so…

A: Sample size (n)=100 Population mean μ=12.1Population standard deviation σ=0.5We have to find d.If…

Question

22. Each American uses 650 pounds of paper a year. Suppose that the distribution is normal with a population
standard deviation of 153.5 pounds. Find the probability that a randomly selected American uses:
a.) More than 800 pounds
b.) Less than 400 pounds
c.) Between 500 and 700 pounds a year

Video Video

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1: Determining the given information

VIEW

Step 2: Finding the probability that a randomly selected one uses more than 800 pounds.

VIEW

Step 3: Finding the probability that a randomly selected one uses less than 400 pounds.

VIEW

Step 4: Finding the probability that a randomly selected one uses between 500 and 700 pounds a year.

VIEW

Solution

VIEW

Step by step

Solved in 5 steps with 7 images

SEE SOLUTION Check out a sample Q&A here

Follow-up Questions

Read through expert solutions to related follow-up questions below.

Follow-up Question

How would it look like if someone drew it

Solution

by Bartleby Expert

SEE SOLUTION

Similar questions

A simple random sample is taken from a certain population, and a statistic is calculated. Suppose we bootstrap this statistic and plot a histogram of the values of this statistic. Determine which of the following statement(s) is (are) false. A. This histogram will resemble the distribution of the population. B. This histogram displays the bootstrap distribution. C. The histogram will be centered at the population mean. D. The shape of the histogram will be skewed only when the population distribution is skewed. O B O A and C C and D O A, C and D
Suppose that the middle 95% of score on a statistics final fall between 60.67 and 90.75. Give an approximate estimate of the standard deviation of scores. Assume the scores have a normal distribution. Question 7 options: 1) 15.04 2) 75.71 3) 3.76 4) -7.52 5) 7.52
35) The mean score of a college entrance test is 500, the standard deviation is 75. The score normally distributed. What percent of the students scored below 320? A) 50.82% B) 34.13% C) 7.86% D) 0.82%
Use the data in the following table, which lists drive-thru order accuracy at popular fast food chains. Assume that orders are randomly selected from those included in the table. Drive-thru Restaurant A B C D Order Accurate 314 277 244 131 Order Not Accurate 33 51 34 18 If three different orders are selected, find the probability that they are all from restaurant D.
A population has a mean of 50, and the standard deviation is 10. You take several samples and calculate sample means. 95% of these sample means lie between 46 and 54. What was the size of each sample? n= 1) 5 2) 4 3) 10 4) 25
IQ scores are from a Normal distribution with a mean of 100 and a standard deviation of 15. What IQ scores has a z-score of 1.20? Group of answer choices A.) 106 B.) 95 C.) 118 D.) 82
Suppose that the speed at which cars go on the freeway is normally distributed with mean 79 mph and standard deviation 5 miles per hour. Let X be the speed for a randomly selected car. a. What is the distribution of X? X - N( 79 5 or or b. If one car is randomly chosen, find the probability that it is traveling more than 78 mph. Round to 4 decumal places. c. If one of the cars is randomly chosen, find the probability that it is traveling between 81 and 86 mph. Round to 4 decimal places.
Use the data in the following table, which lists drive-thru order accuracy at popular fast food chains. Assume that orders are randomly selected from those included in the table. Drive-thru Restaurant D A B D 245 260 54 Order Accurate 321 127 Order Not Accurate 37 36 14 If three different orders are selected, find the probability that they are all from restaurant C. The probability is. (Round to four decimal places as needed.)
Forty randomly selected students were asked the number of pairs of sneakers they owned. Let X= the number of pairs of sneakers owned. The results are as follows: X Frequency Relative Frequency Cumulative Relative Frequency 1 2 2 5 3 8 4 12 5 12 7 1 a.) Find the sample mean x. (Round your answer to two decimal places.) b.) Find the sample standard deviation, s. (Round your answer to two decimal places.) c.) Find the first quartile. d.) Find the median. e.) find the 3rd quartile f.) What percent of the students owned at least five pairs? (Round your answer to one decimal place.) g.) Find the 40th percentile. h.) find the 90th percentile İ) Contruct a box plot of the data j) complete the columns of the chart k) construct a histogram of the data
Find the indicated probability or percentage for the normally distributed variable. 24) A machine produces bolts with a mean diameter of 0.30 inches and a standard deviation of 0.01 inches. The diameters are approximately normally distributed. What is the probability that a randomly selected bolt will have a diameter greater than 0.32 inches? A) 0.977 B) 0.477 C) 0.046 D) 0.023
Subpart A,B,C
Diastolic blood pressures are assumed to follow a normal distribution with a mean of 85 and a standard deviation of 12. What proportion of people has diastolic blood pressures less than 80? A)0.661 B)0.338 C)0.50 D)0.75