(1 point) The mean and standard deviation of a random variable ?x are −9−9and 22 respectively....
(1 point) The mean and standard deviation of a random variable ?x are −9−9and 22 respectively. Find the mean and standard deviation of the given random variables:
(1) ?=?+4 y=x+4
?=μ=
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?=σ=
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(2) ?=5? v=5x
?=μ=
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?=σ=
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(3) ?=5?+4 w=5x+4
?=μ=
equation editor
?=σ=
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(1 point) The mean and standard deviation of a random variable
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