According to the Federal Communications Commission, 70% of all U.S. households have vcrs.  In a random sample of 15 households, what is the probability that fewer than 13 have vcrs? Group of answer choices 0.9647 0.9953 0.8732 0.0916

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According to the Federal Communications Commission, 70% of all U.S. households have vcrs.  In a random sample of 15 households, what is the probability that fewer than 13 have vcrs?

Group of answer choices
0.9647
0.9953
0.8732
0.0916
Expert Solution
Step 1

If X is a discrete random variable with probability mass function

P(x)=nCxpxqn-x;  0<p<1, x=0,1,2,.....n

Then X is a binomial variate and the distribution of X is called a binomial distribution.

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