Q1. Assume the mean and standard deviation of date yields in Jordan Valley are 200 kg/tree and 24 kg/tree, respectively. If 9 trees are selected randomly, what is the probability that the mean of these selected trees is between 190.56 and 199.92.

A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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Q1. Assume the mean and standard
deviation of date yields in Jordan Valley are
200 kg/tree and 24 kg/tree, respectively. If 9
trees are selected randomly, what is the
probability that the mean of these selected
trees is between 190.56 and 199.92.
0.3770
0.3848
0.3922
0.3957
0.3885
Transcribed Image Text:Q1. Assume the mean and standard deviation of date yields in Jordan Valley are 200 kg/tree and 24 kg/tree, respectively. If 9 trees are selected randomly, what is the probability that the mean of these selected trees is between 190.56 and 199.92. 0.3770 0.3848 0.3922 0.3957 0.3885
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