says the holidays when inmates miss having holiday meals with their families. You want to test if food is indeed a great pacifier. You know that the average number of infractions a day for all jails in TX is 21 per 1,000 inmates with a standard deviation of 10. You take a random sample of 100 jails, and on Easter, you serve them a nice holiday meal (ham, turkey, green beans, mashed potatoes, etc.). You observe that the average number of infractions for your sample is 19.25. a. What is the average distance you expect to observe between the population mean and sample mean for a sample size of 100? b. You observed that the mean number of infractions per 100 inmates for your sample of prisons was 19.25. What is the z-score corresponding to your sample mean? What does this z-score tell you? c. What is the probability of observing a sample mean less than 19.25 for a sample of size 100?

says the holidays when inmates miss having holiday meals with their families. You want to test if food is indeed a great pacifier. You know that the average number of infractions a day for all jails in TX is 21 per 1,000 inmates with a standard deviation of 10. You take a random sample of 100 jails, and on Easter, you serve them a nice holiday meal (ham, turkey, green beans, mashed potatoes, etc.). You observe that the average number of infractions for your sample is 19.25. a. What is the average distance you expect to observe between the population mean and sample mean for a sample size of 100? b. You observed that the mean number of infractions per 100 inmates for your sample of prisons was 19.25. What is the z-score corresponding to your sample mean? What does this z-score tell you? c. What is the probability of observing a sample mean less than 19.25 for a sample of size 100?

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Description: Got stuck on this question 6. According Dee Anderson - the Sheriff in Tarrant County,Texas - food is the great pacifier. Food is the No. 1 thingthat will cause unrest if you are locked up.... A lot of riotsthat have occurred across the country have b

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

Got stuck on this question

6. According Dee Anderson - the Sheriff in Tarrant County,
Texas - food is the great pacifier. Food is the No. 1 thing
that will cause unrest if you are locked up.... A lot of riots
that have occurred across the country have been over food,"
says one Texas jail official. This is especially true during
the holidays when inmates miss having holiday meals with
their families. You want to test if food is indeed a great
pacifier. You know that the average number of infractions
a day for all jails in TX is 21 per 1,000 inmates with a
standard deviation of 10. You take a random sample of 100
jails, and on Easter, you serve them a nice holiday meal
(ham, turkey, green beans, mashed potatoes, etc.). You
observe that the average number of infractions for your
sample is 19.25.
a. What is the average distance you expect to observe
between the population mean and sample mean for a
sample size of 100?
b. You observed that the mean number of infractions per
100 inmates for your sample of prisons was 19.25.
What is the z-score corresponding to your sample
mean? What does this z-score tell you?
c. What is the probability of observing a sample mean
less than 19.25 for a sample of size 100?

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