A ALEKS secure : https Math 063 -109 Elementary Statistics- TTh 12 7(Sections ?-

Question

A ALEKS secure : https Math 063 -109 Elementary Statistics- TTh 12 7(Sections ?-74-1110f 20 12 14 A worldwide organization of academics claims that the mean members is 11 35 members of this organization is tested, and the results reveal that the mean IQ score in is the probability of having a sample mean of 116.4 or less for a random sample of this size? IQ score of its members is 115, with a standard deviation of 16. A randomly selected group of this sample is 116.4. If the organization's claim is correct, what Carry your intermediate computations to at least four decimal places. Round your answer to at least three decimal places.

Explanation / Answer

Sample mean = 116.4

P(sample mean less than 116.4) = P(Z < 0) = 0.5

Because for sample mean Z value will be 0.

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