Random Variable Starter Quiz

In a binomial distribution, the mean is 9 and the standard deviation is √6. The product of total number of trials and probability of failure of the event in each trial is

A year is chosen at random in the 22^nd century, what is the probability that it has 53 Sundays?

If standard deviation of shaft speed of a pump is 85 RPM and that mean shaft speed of the pump is 350 RPM then find the coefficient of variation in speed.

A random variable has probability density function given by

f(x) = 3, 0<x<1

= 0 else where

The value of P(0.5 < x < 0.8) is

There are two containers with one containing 5 red and 4 green ball and other containing 4 blue and 5 green balls. One ball is drawn at random from each container. The probability that one is red and another is blue