Do Homework-Heather Porterfiels- Mecrosolt Edge Player omewor Hill 2017-second 8

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Do Homework-Heather Porterfiels- Mecrosolt Edge Player omewor Hill 2017-second 8 weeks-Oct 16 Math 1342 Heather Porené d Homework: Homework 3 Chapters 6 and 7 Fall 2017 Score: 0 of 2 pts 6.5.11 Sav 170141(28 complete) HW Score: 47 73%, 47 73 of 100 Questor, Hep The capacity of an elevator is 12 people or 202Bpounds The capachy wl be exceededift2 people have weights weh amean geater than 2028/12-169 pou Suppose the people have weights that are normaly distributed with a mean of 173 b and a standard deviation of 34 Ib a. Find the probability that if a person is randomly selected, his weight will be greater than 169 pounds The probablhy is approximately (Round to four decimal places as needed ) Enter your answer in the answer box and then click Check Answer remaning

Explanation / Answer

a) Formula: Z = (X - mean)/SD

P(X > 169) = P(Z > (169-173)/34) = P(Z > -0.1176) = 1 - P(Z < -0.1176) = 0.5468

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