A Sample of Size 400 Is Drawn from a Population $\bar { X }$

question 33

Short Answer

A sample of size 400 is drawn from a population whose mean and variance are 5000 and 10 000, respectively. Find the following probabilities.
a. P( $\bar { X }$ < 4,990).
b. P(4995 < $\bar { X }$ < 5010).
c. P( $\bar { X }$ = 5000).

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Definitions:

Work Of Mourning

The work of mourning refers to the psychological process of coping with a significant loss, involving the gradual acceptance of loss and adjustment to a life without the deceased.

Completion

The act of finishing or bringing something to an end, fulfilling all necessary conditions or tasks.

Drowned

Death caused by submersion in and inhalation of water or another liquid.

Effectively Coping

Successfully managing stressful or challenging situations through adaptive and constructive methods.