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QUESTION

survey question

A survey of V.S. adults ages 50-64 found that 86% use the internet.

You randomly select 80 adults ages 50-64 and ask them if they use the internet.

A.)   Find the probability that at least 70 people use the internet.

B.)   Find the Probability that at exactly 50 people say they use the internet

c..) Find the probability that more than 60 people say they use the internet.

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* survey ** VS adults ages ***** ***** **** *** use *** ******** **** **** *** **** ********** ****** ** ** adults ages 50-64 found **** *** *** *** *********** ******** select 80 adults ages 50-64 *** *** them if **** use *** ********** **** *** *********** **** at ***** ** ****** *** *** ************* * ********* ************* **** and * ********** * ncx ****** p(70)= 80c70 *************** *********** Find *** *********** **** at exactly 50 ****** *** **** *** the internetC) **** * *** pxqn-x P(50) * ***** *************** ************ Find the probability **** **** **** ** ****** *** they *** *** ********** **** * ncx ****** ***** * ***** *************** ********* ********** =1-P(X=<60)P(X>60) ************ ****************** **** *** EACH *************

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