According to a previous report, 15% of households had some type of high-speed Internet connection. Suppose 12 households are selected at random and the number of households with high-speed Internet is recorded. (a) Find the probability that exactly 6 households have high-speed Internet.

asked by Pandora

7 years ago

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1 answer

binomial
p = .15
1-p = .85

C(12,6) = 924

so
924 * .15^6 * .85^6

answered by Damon

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Question

According to a previous​ report, 15​% of households had some type of​ high-speed Internet connection. Suppose 12 households are selected at random and the number of households with​ high-speed Internet is recorded.​ (a) Find the probability that exactly 6 households have​ high-speed Internet.​

Damon · Answer

binomial p = .15 1-p = .85 C(12,6) = 924 so 924 * .15^6 * .85^6