A survey showed that a majority of Americans plan on doing their holiday shopping online because they don’t want to spend money on gas driving from store to store. Suppose we have a group of 10 shoppers; 7 prefer to do their holiday shopping online and 3 prefer to do their holiday shopping in stores. A random sample of 3 of these 10 shoppers is selected for a more in-depth study of how the economy has impacted their shopping behavior.a) What is the probability that exactly two prefer online shopping?b) What is the probability that the majority (either two or three) prefer shopping online?

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A: We have given that  n=5  p=48%=0.48  ,q=1-p=1-0.48=0.52 X~Binomial(n=5,p=0.48) Find P(X=2)

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Q: 3/ A marketing survey indicates that 40% of the population owns an automobile, 45% owns a house, and…

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A:

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A:

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Q: A survey found that 25​% of consumers from a Country A are more likely to buy stock in a company…

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A: