normal probability distributions


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assume that 10% of us believe that college is not a good investment

a. let A denote the event of selecting someone who believes that college is not a good investment. What does the event A denote ?

b. Find the value of P(A).


Jun 12th, 2015

Hello!

a. As I understand, we select one person randomly from "us" and ask him/her whether he/she believes that college is not a good investment. If he/she says "yes" then the event A occurs. If says "no" then "not A" occurs.

b. If the person is chosen randomly then the probability of A, P(A) = 10% = 0.1.

Please ask if anything is unclear.
Jun 12th, 2015

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Jun 12th, 2015
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Jun 12th, 2015
Nov 22nd, 2017
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