not all visitors to a certain company's website

Answered question

2022-05-08

not all visitors to a certain company's website are customers. In fact, the website administrator estimates that about 10% of all visitors to the website are looking for other websites. Assuming that this estimate is correct, find the probability that, in a random sample of 5 visitors to the website, exactly 4 actually are looking for the website.

Answer & Explanation

star233

star233

Skilled2022-05-13Added 403 answers

Given that ,

p = 0.10

1 - p = 1 - 0.10 = 0.90

n =5

Using binomial probability formula ,

P(X=x)=(nCx)*px*(1-p)n-x

P(X=4)=(5C4)*0.103*(0.90)1=0.0045

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