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Author Question: Compute the mean and standard deviation of the hypergeometric random variable X.A manufacturer ... (Read 63 times)

jjjetplane

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on: Jan 16, 2020
Compute the mean and standard deviation of the hypergeometric random variable X.

A manufacturer receives a shipment of 160 laptop computers of which 8 are defective. To test the shipment, the quality control engineer randomly selects 15 computers from the shipment and tests them. The random variable X represents the number of defective computers in the sample. What are the mean and standard deviation of the random variable X?
◦ μX = 0.750, σX = 0.806
◦ μX = 0.750, σX = 0.844
◦ μX = 0.750, σX = 0.650
◦ μX = 0.050, σX = 0.806
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Marked as best answer by jjjetplane on Jan 16, 2020

kjo;oj

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Reply #1 on: Jan 16, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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jjjetplane

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Reply 2 on: Jan 16, 2020
YES! Correct, THANKS for helping me on my review

yeungji

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Reply 3 on: Yesterday
Excellent

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