Problem 4 Aa Aa E. 4. Discrete probability distribution Binomial distribution Wh

Question

Problem 4

Aa Aa E. 4. Discrete probability distribution Binomial distribution Who's so vain? A survey conducted by the American Association of Motor Vehicle Administrators (AAMVA) and Stefan Lonce, author of LCNS2ROM-License to Roam: Vanity License Plates and the Stories They Tell, reveals that Virginia motor vehicle owners are the vainest. Approximately 16% of Virginia license plates are vanity plates. Select the appropriate distribution in the Distributions tool to help answer the questions that follow. Select a Distribution Binomial Poisson Distributions You randomly select 20 Virginia license plates. Let r denote the number of vanity plates.

Explanation / Answer

binomial

exactly two plates from binomial distribution =0.2109

probabilty at least 5 plates =0.2059

r=np=0.16*20=3.2 and std deviation =(np(1-p))1/2 =1.6395

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