applicants are given a test of physical fitness. The scores are ean of 64 and a standard deviation of 9. If only the top 20% the find the cutoff score. 13. To qualify for a police acad normally distributed with applicants are sele 14. The man lifetime of a wristwatch is 25 months, with a standard deviation of 5 months. If the distribution is normal, for how many months should a guarantee be made if the manufacturer does not want to exchange more than 10% of the watches? Assume the variable is normally distributed. 15. To help students improve their reading, a school district decides to implement a reading program. It is to be administered to the bottom 5% of the students in the district, based on the scores on a reading achievement exam. If the average score for the students in the district is 122.6, find the cutoff score that will make a student eligible for the program. The standard deviation is 18. Assume the variable is normally distributed.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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ANSWER ITEM 15 ONLY, DO NOT USE EXCEL. Solve it directly to thanks
Applications of Normal Distributions.
1
erage number of calories in a 1.5-ounce chocolate bar is 225. Suppose that the distribution
of calories p
ately normal with s =10. Find the probability that a rene
plate
bar will have;
II.
a. Between 200 and 220
b. L
an 200 calories
time to be seated for dinner at a popular restaurant is 23.5 minutes, with a
Assume the variable is normally distributed. When a patron arrives
that the patron will have to wait the
time.
12. The av...
standard deviation or
at the restaurant for dinner, find the
a. Between 15 and 22 minutes
b. Less than 18 minutes or more than 25 minutes
13. To qualify for a police acad
normally distributed with
applicants are sele, find the cutoff score.
applicants are given a test of physical fitness. The scores are
ean of 64 and a standard deviation of 9. If only the top 20% the
14. The man lifetime of a wristwatch is 25 months, with a standard deviation of 5 months. If the
distribution is normal, for how many months should a guarantee be made if the manufacturer does
not want to exchange more than 10% of the watches?
Assume the variable is normally distributed.
15. To help students improve their reading, a school district decides to implement a reading program.
It is to be administered to the bottom 5% of the students in the district, based on the scores on a
reading achievement exam. If the average score for the students in the district is 122.6, find the cutoff
score that will make a student eligible for the program. The standard deviation is 18. Assume the
variable is normally distributed.
Transcribed Image Text:Applications of Normal Distributions. 1 erage number of calories in a 1.5-ounce chocolate bar is 225. Suppose that the distribution of calories p ately normal with s =10. Find the probability that a rene plate bar will have; II. a. Between 200 and 220 b. L an 200 calories time to be seated for dinner at a popular restaurant is 23.5 minutes, with a Assume the variable is normally distributed. When a patron arrives that the patron will have to wait the time. 12. The av... standard deviation or at the restaurant for dinner, find the a. Between 15 and 22 minutes b. Less than 18 minutes or more than 25 minutes 13. To qualify for a police acad normally distributed with applicants are sele, find the cutoff score. applicants are given a test of physical fitness. The scores are ean of 64 and a standard deviation of 9. If only the top 20% the 14. The man lifetime of a wristwatch is 25 months, with a standard deviation of 5 months. If the distribution is normal, for how many months should a guarantee be made if the manufacturer does not want to exchange more than 10% of the watches? Assume the variable is normally distributed. 15. To help students improve their reading, a school district decides to implement a reading program. It is to be administered to the bottom 5% of the students in the district, based on the scores on a reading achievement exam. If the average score for the students in the district is 122.6, find the cutoff score that will make a student eligible for the program. The standard deviation is 18. Assume the variable is normally distributed.
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