Sixty-eight percent of US adults have ittle confidence in their cars. You randomly select eleven US...

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Sixty-eight percent of US adults have ittle confidence in their cars. You randomly select eleven US adults. Find the probability that the number of US adults who have little confidence in their cars is (1) exactly eight and then find the probability that it is (2) more than 6. O (1)0 753 (2) 0.256 (1)0 247 (2) 0.744 (1)0.753 (2) 0.744 (1)0247 (2)0 256

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Answer 1

Answer #1

TOPIC: Use of Binomial distribution.

etine,nNo. us adults celaeted ー(E US adult hauing little confiden in their cars. = o, 68. confidence in theic cars, out σ the. Il Selecter adute jelse ノwe nee Pounded three decimels 0.247 F (o) F(T) =P(X(x); LL-X )(o.68) (o.32 Bin ℃u, o.ce 25 二10.7441 (calealattng, we get),

So,the correct answer is- option-b> (1)0.247 (2) 0.744 (ANSWER)

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Answer 2

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