Answered

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In a sample of 1100 U.S.​ adults, 213 think that most celebrities are good role models. Two U.S. Adults are selected from this sample without replacement. Complete parts​ (a) through​ (c).

Sagot :

Answer:

a) 0.0374  , b)  0.6500  , c) 0.3500

Step-by-step explanation:

Pr (Both consider celebrities role models) = (213/1100) x (212/1099)

= 0.0374

Pr (None consider celebrities role models) = (887/1100) x (886/1099)

= 0.6500

Pr (atleast one consider celebrities role models) = 1 - Pr (None consider role models)

1 - 0.6500 = 0.3500

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