Question

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Answer 1

this is a binomial random variable

Answer 2

either youre speeding , or your not speeding

Answer 3

so X will have a binomial distribution

Answer 4

f(x) = 10 C x * .60^x * .40 ^(10-x)

Answer 5

Based on perl's function,

part c) has you calculating f(9)

part d) has you calculating f(9) + f(10)