Pepsi is on sale at competing stores in your neighborhood. store "a" gives you a $2 rebate if you buy three 6-packs at $3 each. store "b" is offering a 25% discount on three 6-packs sold at the same price. which offers the best deal?

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.

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

When 142 is added to a number the result is 64 more then 3 times the number. option 35 37 39 41