A box contains 5 balls. Two are numbered 3, one is numbered 4, and two are numbered 5. The balls are mixed and one is selected at random. After a ball is selected, its number is recorded. Then it is...


A box contains 5 balls. Two are numbered 3, one is numbered 4, and two are numbered<br>5. The balls are mixed and one is selected at random. After a ball is selected, its number is<br>recorded. Then it is replaced. If the experiment is repeated many times, find the variance of<br>the numbers on the balls.<br>The probability distribution is as follows:<br>P(X)<br>Variance:<br>

Extracted text: A box contains 5 balls. Two are numbered 3, one is numbered 4, and two are numbered 5. The balls are mixed and one is selected at random. After a ball is selected, its number is recorded. Then it is replaced. If the experiment is repeated many times, find the variance of the numbers on the balls. The probability distribution is as follows: P(X) Variance:

Jun 07, 2022
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