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Mathematics, 25.05.2021 14:00 JunoJackson
Let 0.3 be the proportion of smart phone owners who have a given app. For a particular smart phone owner, let x=1 if they have the app and x=0 otherwise. For a random sample of 70 owners, complete parts a through e below.
1. State the population distribution (that is, the probability distribution of X for each observation). P(X=1) =? and P(X=0) =?
2. The proportion for x=1 is ? and the proportion for x=0 is ?
3. Find the mean of the sampling distribution of the sample proportion who have the app among the 70 people.
4. Find the standard deviation of the sampling distribution of the sample proportion who have the app among the 70 people.
5. Explain what the standard deviation in part 4 describes.
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Answers: 1
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Let 0.3 be the proportion of smart phone owners who have a given app. For a particular smart phone...
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