Question

Mean and standard deviation of a variable x are 15 and 5 respectively. Mean and variance of y=100-2x will be

Answer 1

Step-by-step explanation:

If a random variable X has mean 3

and standard deviation 5, then the

variance of variable Y=2x - 2 is:

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Answer 2

Answer:

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Step-by-step explanation:

100-2*25

50