(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
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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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.
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