Question Completion Status: Find z such tha 24T%0The standardnormal curveliesto

Question

Question Completion Status: Find z such tha 24T%0The standardnormal curveliesto the l OA-0703 O B. 0.703 ° C. 1.169 D. 0.646 E-0.646 QUESTION 6 Suppose that about 62% of the people who are murdered actually is the probability that fewer than 33 victims did not know their murcd A. 0.993 B. 0.007 O C.0.995 D. 0.990 E. 0.010 QUESTION 7 Give an example of a population A. Seven cards chosen at random from a 52-card deck B Registered Oklahoma voters who voted in a US presidential el e C. The lengths of all trout in a lake D The automobiles bought by Americans polled in a telephone sur E A week of television shows watched by Americans as reportedi

Explanation / Answer

6)

here mean =np =62*(1-0.62)=23.56

and std deviation =(np(1-p))1/2 =3.82

therefore P(X<33) =P(Z<(32.5-23.56)/3.82)=P(Z<2.339)=0.990

hence option D

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