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10 January, 14:23

Suppose the average client charge per hour for out-ofcourt work bylawyers in the state of Iowa is $125. Suppose further that a randomtelephone sample of 32 lawyers in Iowa is taken and that the sampleaverage charge per hour for out-of-court work is $110. If thepopulation variance is $525.

(A) what is the probability of getting a sample mean of $110 orlarger?

(B) What is the probability of getting a sample mean larger than$135 per hour?

(C) What is the probability of getting a sample mean of between$120 and $130 per hour?

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  1. 10 January, 14:26
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    Not understand ... how would you work this problem
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