What is the volume of the figure below?

Do 12/14 and 8/10 have the same value? explain your answer.

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?

The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable