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According to past data, the 15% of all college students in California are business majors. Suppose...

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Statistics

According to past data, the 15% of all college students inCalifornia are business majors. Suppose a random sample of 200California college students is taken.

a) What information about this sample allows us to use thenormal distribution for our sampling distribution?

b) Calculate the standard error. Round to two places forease.

c) What is the probability that the sample of 200 gives a sampleproportion of 18% or higher? Show your calculator function andentries. Round to 4 places.

Answer & Explanation Solved by verified expert
3.7 Ratings (511 Votes)
a We use the normal distribution for our sampling distributionif np 10 and n1p 10Here n 200 p 15 015np 200015 30 10 and n1p    See Answer
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