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A survey administered to a random sample of 250 U.S. college students found that 40 out of the 250 students surveyed were a member of a sorority or a fraternity. According to national data, 15% of U.S. college students are a member of a sorority or a fraternity. Fill in the blank below with the appropriate number corresponding to the provided symbol. The symbol below is "p hat". Enter p hat as a decimal rounded to two decimal places.

A survey administered to a random sample of 250 U.S. college students found that 40 out of the 250 students surveyed were a member of a sorority or a fraternity. According to national data, 15% of U.S. college students are a member of a sorority or a fraternity. Fill in the blank below with the appropriate number corresponding to the provided symbol. The symbol below is "p hat". Enter p hat as a decimal rounded to two decimal places.

MATLAB: An Introduction with Applications
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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According to national data on the sleeping habits of adults, the amount of sleep per night of all U.S. adults follows a normal distribution with a mean of 7.25 hours and a standard deviation of 1.25 hours. A study surveyed a random sample of 400 U.S. adults and found that their average amount of sleep per night was 7.14 hours with a sample standard deviation of 1.36 hours. Fill in the blank below with the appropriate number corresponding to the provided symbol. n =
Transcribed Image Text:According to national data on the sleeping habits of adults, the amount of sleep per night of all U.S. adults follows a normal distribution with a mean of 7.25 hours and a standard deviation of 1.25 hours. A study surveyed a random sample of 400 U.S. adults and found that their average amount of sleep per night was 7.14 hours with a sample standard deviation of 1.36 hours. Fill in the blank below with the appropriate number corresponding to the provided symbol. n =
A survey administered to a random sample of 250 U.S. college students found that 40 out of the 250 students surveyed were a member of a sorority or a fraternity. According to national data, 15% of U.S. college students are a member of a sorority or a fraternity. Fill in the blank below with the appropriate number corresponding to the provided symbol. The symbol below is "p hat". Enter p hat as a decimal rounded to two decimal places.
Transcribed Image Text:A survey administered to a random sample of 250 U.S. college students found that 40 out of the 250 students surveyed were a member of a sorority or a fraternity. According to national data, 15% of U.S. college students are a member of a sorority or a fraternity. Fill in the blank below with the appropriate number corresponding to the provided symbol. The symbol below is "p hat". Enter p hat as a decimal rounded to two decimal places.
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