Data are drawn from a bell-shaped distribution with a mean of 5 and a standard deviation of

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Data are drawn from a bell-shaped distribution with a mean of 5 and a standard deviation of 2.5.
a. What percentage of the observations are positive?
b. What percentage of the observations are not positive?

Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...
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