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Ella Educationer is Edith’s sister. She is also interested in studying children’s programming. Ella watches programs...

Ella Educationer is Edith’s sister. She is also interested in studying children’s programming. Ella watches programs and then rates them as either Good or Bad. She believes that this now becomes a binomial experiment, with a constant probability across every new program viewed. Suppose Ella is going to watch 10 programs and we find the probability that a show will be rated as good is 0.40.

what is the probability that 5 shows will be rated as good, P(X = 5)?

math   Statistics-And-Probability   
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Answer #1

X follow binomial (10,0.4)

Then we are to find p(x=5)= 10c5*(0.4)^5*0.6^5==0.2007

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