Let X = number of hours each student in the class slept the night before. Create a

Question:

Let X = number of hours each student in the class slept the night before. Create a discrete variable by using the following arbitrary intervals: X <3, 3 ≤X <6, 6 ≤X <9, and X ≥ 9.
(a) Estimate the probability distribution for X.
(b) Calculate the estimated mean and variance for X.

Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...

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