Compute the Mean and Standard Deviation of a Hypergeometric Random $\mu _ { X } = 0.529 , \sigma X = 0.689$

question 5

Multiple Choice

Compute the Mean and Standard Deviation of a Hypergeometric Random Variable
-A manufacturer receives a shipment of 170 laptop computers of which 9 are defective. To test the shipment, the quality control engineer randomly selects 10 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

• A) \(\mu _ { X } = 0.529 , \sigma X = 0.689\)
• B) \(\mu _ { X } = 0.529 , \sigma _ { X } = 0.708\)
• C) \(\mu X = 0.053 , \sigma X = 0.689\)
• D) \(\mu _ { X } = 0.529 , \sigma X = 0.475\)

Understand the methods used to study and monitor sleep stages.

Recognize sleep needs and patterns in different species.

Discuss the causes and implications of narcolepsy.

Identify common sleep disorders and their prevalence among adults.

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