# Question: An analyst developed the following probability distribution for the rate

An analyst developed the following probability distribution for the rate of return for a common stock.

a. Calculate the expected rate of return.

b. Calculate the variance and the standard deviation of this probability distribution.

a. Calculate the expected rate of return.

b. Calculate the variance and the standard deviation of this probability distribution.

## Answer to relevant Questions

According to the Department of Transportation, 27% of domestic lights were delayed in 2007 (Money, May 2008). At New York’s John F. Kennedy Airport, five lights are randomly selected.a. What is the probability that all ...The cumulative probabilities for a continuous random variable X are P(X ≤ 10) = 0.42 and P(X ≤20) = 0.66. Calculate the following probabilities. a. P(X 20)Suppose the average price of electricity for a New England customer follows the continuous uniform distribution with a lower bound of 12 cents per kilowatt-hour and an upper bound of 20 cents per kilowatt- hour.a. Calculate ...Find the following z values for the standard normal variable Z.a. P(Z ≤ z) = 0.9744 b. P ( Z< z ) = 0.8389 c. P(- z ≤ Z ≤ z) = 0.9= d. P (0 ≤ Z ≤ z) = 0.331= Let X be normally distributed with mean µ = 2.5 and standard deviation σ = 2>a. Find P(X>7.6)>b. Find P(7.4 ≤ X ≤ 10.6)>c. Find x such that P(X>x) = 0.025>d. Find x such that P(x ≤ X ≤ 2.5) = 0.4943>Post your question