The candy machine Suppose a large candy machine has 15% orange candies. Imagine taking an SRS of

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The candy machine Suppose a large candy machine has 15% orange candies. Imagine taking an SRS of 25 candies from the machine and observing the sample proportion p^ of orange candies.

(a) What is the mean of the sampling distribution of p^ ?

Why?

(b) Find the standard deviation of the sampling distribution of p^ . Check to see if the 10% condition is met.

(c) Is the sampling distribution of p^ approximately Normal?

Check to see if the Large Counts condition is met.

(d) If the sample size were 225 rather than 25, how would this change the sampling distribution of p^ ?

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The Practice Of Statistics

ISBN: 9781464108730

5th Edition

Authors: Daren S. Starnes, Josh Tabor

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Question Posted: Jul 18, 2024 10:10 AM

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The candy machine Suppose a large candy machine has 15% orange candies. Imagine taking an SRS of

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The Practice Of Statistics

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