nicolejones2013 nicolejones2013

12-02-2017
Mathematics

contestada

Among 39- to 44-year-olds, 35% say they have called a talk show while under the influence of peer pressure. Suppose seven 39 to 44-year-olds
are selected at random.
(a) What is the probability that at least one has not called a talk show while under the influence of peer pressure

(b) What is the probability that at least one has called nbsp a talk show while under the influence of peer pressure?

(a) The probability that at least one has not called a talk show
while under the influence of peer pressure is?
.
(Round to four decimal places as needed.)
(b) The probability that at least one of the seven randomly selected adults has called a talk show while under the influence of peer pressure is?
(Round to four decimal places as needed.)

Respuesta :

MissPhiladelphia MissPhiladelphia

22-02-2017

if 35% or 0.35 say no, to compute the probability that at least one of 7 called a talk show while under the influence of peer pressure is (1-0.35)^7 and subtract it from . This is the same as at least 1 has called a talk show while under the influence of peer pressure
1 - (1 - 0.35)^7 = 0.95

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