A question is asked of a class of 2700 freshmen, and 25% of the students know the correct answer. If a sample of 81 students is taken repeatedly, answer the following questions.a) What is the expected value of the mean of the sampling distribution of sample proportions? (Round to 4 decimal places) [_____________]b) What is the standard deviation of the mean of the sampling distribution of sample proportions? (Round to 4 decimal places) [_____________]c) What is the P(

Answered: A question is asked of a class of 2700…

A question is asked of a class of 2700 freshman, and 25% of the students know the correct answer. If a sample of 81 students is taken repeatedly, answer the following questions.

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...

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Given Data

population proportion,p = 0.25

sample size n = 81

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