Find the mean, variance, and standard deviation for the probability distribution. (Round your answers to two decimal places.) Pr(x) = 35' x = 2, 3, 4, 5, 6, 7, 8 mean variance standard deviation

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please help me solve both of these questions.

Find the mean, variance, and standard deviation for the probability distribution. (Round your answers to two decimal
places.)
Pr(x) = 35'
x = 2, 3, 4, 5, 6, 7, 8
mean
variance
standard deviation
Transcribed Image Text:Find the mean, variance, and standard deviation for the probability distribution. (Round your answers to two decimal places.) Pr(x) = 35' x = 2, 3, 4, 5, 6, 7, 8 mean variance standard deviation
Five slips of paper containing the numbers 5, 7, 13, 15, 25 are placed in a hat. If the experiment consists of drawing one
number, and if the experiment is repeated a large number of times, what is the expected value E(x) of the number drawn?
E(x) =
Transcribed Image Text:Five slips of paper containing the numbers 5, 7, 13, 15, 25 are placed in a hat. If the experiment consists of drawing one number, and if the experiment is repeated a large number of times, what is the expected value E(x) of the number drawn? E(x) =
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