A Tennis Player Makes a Successful First Serve 70% of the Time.If

question 48

Multiple Choice

A tennis player makes a successful first serve 70% of the time.If she serves 80 times,is it appropriate to use a normal model to approximate the distribution of the number of good first serves? Assume that each serve is independent of the others.

• A)No;normal model cannot be used to approximate the distribution because nq < 10
• B)Yes;normal model with μ = 56 and σ = 16.80 can be used to approximate the distribution
• C)Yes;normal model with μ = 56 and σ = 4.10 can be used to approximate the distribution
• D)Yes;normal model with μ = 24 and σ = 16.80 can be used to approximate the distribution
• E)No;normal model cannot be used to approximate the distribution because np < 10

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