# Question: A random variable X is exponentially distributed with a mean

A random variable X is exponentially distributed with a mean of 0.1.

a. What is the rate parameter f? What is the standard deviation of X?

b. Compute P (X. 0.20).

c. Compute P (0.10 ≤ X ≤ 0.20).

a. What is the rate parameter f? What is the standard deviation of X?

b. Compute P (X. 0.20).

c. Compute P (0.10 ≤ X ≤ 0.20).

## Relevant Questions

A random variable X is exponentially distributed with an expected value of 25. a. What is the rate parameter ƛ? What is the standard deviation of X? b. Compute P(20 ≤ X ≤ 30) . c. Compute P(15 ≤ X ≤ 35) .Customers make purchases at a convenience store, on average, every six minutes. It is fair to assume that the time between customer purchases is exponentially distributed. Jack operates the cash register at this store. a. ...The revised guidelines from the National High Blood Pressure Education Program define normal blood pressure as readings below 120/80 millimeters of mercury (The New York Times, May 14, 2003). Prehypertension is suspected ...On a particularly busy section of the Garden State Parkway in New Jersey, police use radar guns to detect speeders. Assume the time that elapses between successive speeders is exponentially distributed with a mean of 15 ...A tollbooth operator has observed that cars arrive randomly at an average rate of 360 cars per hour.a. What is the mean time between car arrivals at this tollbooth?b. What is the probability that the next car will arrive ...Post your question