77 x 11 in turtlehead

If there are 12 moths and some have 31 days and others have 30 days how many have 28 days?

An optical inspection system is used to distinguish among different part types. the probability of a correct classification of any part is 0.92. suppose that three parts are inspected and that the classifications are independent. let the random variable x denote the number of parts that are correctly classified. determine the probability mass function of x. round your answers to four decimal places (e.g. 98.7654). x f(x) 0 1 2 3

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?