a recent study conducted by a health statistics center found that 26% of househo

Question

a recent study conducted by a health statistics center found that 26% of households in a certain country had no land a recent study conducted by a health statistics center found that 26% of households in a certain country had no land a recent study conducted by a health statistics center found that 26% of households in a certain country had no land A recent study conducted by a health statistics center found that 26% of households in a certain country had no landline service This raises concerns about the accuracy of certain surveys, as they depend on random-digit dialing to households via landines. Pick five households from this country at random Complete parts a) through c) below a) What is the probability that all five of them have a landline? (Round to three decimal places as needed)

Explanation / Answer

a) P(All five of them have a landline) = (1 - 0.26)5 = 0.222

c) P(Atleast one of them does have a landline) = 1 - P(All five doesn't have it) = 1 - (0.26)5 = 0.999

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