A major credit card company has determined that the amount its customers charge on their accounts is normally distributed with an average of R2800 per month and a standard deviation of R200.What proportion of customers charge more than R2750 per month on their account (rounded off to three decimals)?

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A: The probability of most likely value can be calculated as follows.

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A: * SOLUTION :-    (2)

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A: The Answer is Attached below

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A:

Q: Prospect Z - ($2, 0.30: $14, 0.40 ; $29, 0.30) What is the standard deviation of prospect Z?

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A: Answer; Q21) Option (d) is correct

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Q: probability distribution is 3.44, what is the variance?   Select one: a. 1.25 b. 9.64 c. 13.08

A:

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Q: ase probabilities. Use the table to complete parts a through e below. K of reams of paper used 1 2 3…

A: In statistics, the standard deviation is a proportion of the measure of variety or scattering of a…