Jd) What is the P(p < 0.28) ? (Round to 4 decimal places) What is the P(0.31 < p < 0.37) ? (Round to 4 decimal places)

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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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.
arWhat 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)
What is the P(p0.25 ) ?
(Round to 4 decimal places)
d) What is the P(p < 0.28) ?
(Round to 4 decimal places)
What is the P(0.31 < p < 0.37) ?
(Round to 4 decimal places)
Transcribed Image Text: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. arWhat 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) What is the P(p0.25 ) ? (Round to 4 decimal places) d) What is the P(p < 0.28) ? (Round to 4 decimal places) What is the P(0.31 < p < 0.37) ? (Round to 4 decimal places)
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