# The concentration of a reactant is a random variable with probability density function a. What is the

## Question:

a. What is the probability that the concentration is greater than 0.5?

b. Find the mean concentration.

c. Find the probability that the concentration is within ±0.1 of the mean.

d. Find the standard deviation Ïƒ of the concentrations.

e. Find the probability that the concentration is within ±2Ïƒ of the mean.

f. Find the cumulative distribution function of the concentration.

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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