Find p using the appropriate model

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Reference no: EM132207512

Write a piece of R code to answer the following.

Suppose that 25% of all licensed drivers in a state do not have insurance. Let X be the number of uninsured drivers in a random sample of size 64.

Please find P(X = 20) using the appropriate model.

Please also use the normal random variable to find the approximate probability of P(X = 20).

[Hint: don't forget the small adjustment value of 0.5 when using normal as the approximation model]

Reference no: EM132207512

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