The median of the observations 22, 24, 33, 37, x + 1, x + 3, 46, 47, 57, 58 in ascending order is 42. What are the values of 5th and 6th observations respectively ?

The mean and standard deviation of a binomial distribution are 12 and 2 respectively. What…

Let A and B are two mutually exclusive events with P(A) = 1/4 and P(B)…

If two fair dice are thrown, then what is the probability that the sum is…

A sample of 5 observations has mean 32 and median 33. Later it is found…

If the regression coefficient of x on y and y on x are -1/2 and…