11% D Wed 6:57 PM mathxl.com 17Fmath1303e01crn10695 Kendra Lang Homework: 6.3 an

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11% D Wed 6:57 PM mathxl.com 17Fmath1303e01crn10695 Kendra Lang Homework: 6.3 and 6.4 Sampling Distributions and Estimators 10/18/17 6:56 PM Score: 0 of 1 pt 7 of 10 (8 6.4.16-T Score: 63%, 6.3 of 10 p The weights of a certain brand of candies are normaly distributed with a mean weight of 0.8588 g and a standard deviation of 0.0519 g. A sample of these candies came from a package containing 468 candies, and the package label stated that the net weight is 399.6 g. (If every package has 468 candies, the mean weight of the candies must ex0.8539 g for the net contents to weigh at least 399.6g) Question Help 399.6 468 a. If 1 candy is randomly selected, find the probability that it weighs more than 0.8539 g. The probability is .5359 Round to four decimal places as needed.) b. If 468 candies are randomly selected, find the probability that their mean weight is at least 0.8539 g The probability that a sample of 468 candies will have a mean of 08539 g or greater is (Round to four decimal places as needed.) .. 1.1 : :/i I .. I ( ) : More r in the answer box and then click Check Answer Clear All This course (17Fmath1303e01crn10695) is based on Triola 13e

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ans=

b) If 468 candies are reandomly selected find the probability that their mean weight is at least 0.8539 g.

the probability that a sample of 468 candies will have a mean of 0.8539 g or greater is __

z = (0.8539 - 0.8588)/(.0519/square root of 468 = -2.042

P(Z > -2.042) = .9793 (answer)

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