Given P(A)
0.4. P(B) =0.5 and P(A and B ) = 0.3
Find (a) P(A) =
(b) P (A or 8 ) =

Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 2.

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

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?