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(d) What is the expected number of successes? (e) What is the expected number of failures? (f) What is the probability of selecting a sample with the proportion of citizens who have visited Disney World being 0.67 or lower? Round your answer to three decimals.

(d) What is the expected number of successes? (e) What is the expected number of failures? (f) What is the probability of selecting a sample with the proportion of citizens who have visited Disney World being 0.67 or lower? Round your answer to three decimals.

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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6:10 1 1 Messages LTE O ANSWERED Saturday, Apr 09, 2022 MATH • STATISTICS Research shows that 70% of US citizens have been to Disney World. Suppose we are constructing a sampling distribution for the proportion of US citizens who have been to Disney World, using all possible samples of size 300. (a) What is the mean of this distribution? Round your answer to 2 decimal places. (b) What is the value of the proportion of failures in this distribution? Round your answer to 2 decimal places. (c) What is the standard deviation of this distribution? Round your answer to 3 decimal places. (d) What is the expected number of successes? (e) What is the expected number of failures? (f) What is the probability of selecting a sample with the proportion of citizens who have visited Disney World being 0.67 or lower? Round your answer to three decimals. Expert Answer o Step1
Transcribed Image Text:6:10 1 1 Messages LTE O ANSWERED Saturday, Apr 09, 2022 MATH • STATISTICS Research shows that 70% of US citizens have been to Disney World. Suppose we are constructing a sampling distribution for the proportion of US citizens who have been to Disney World, using all possible samples of size 300. (a) What is the mean of this distribution? Round your answer to 2 decimal places. (b) What is the value of the proportion of failures in this distribution? Round your answer to 2 decimal places. (c) What is the standard deviation of this distribution? Round your answer to 3 decimal places. (d) What is the expected number of successes? (e) What is the expected number of failures? (f) What is the probability of selecting a sample with the proportion of citizens who have visited Disney World being 0.67 or lower? Round your answer to three decimals. Expert Answer o Step1
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