Marlowe owns two hat stores. The first store sells between 200 and 225 hats on Friday and between 225 and 250 on Saturday. The other store sells between 150 and 175 hats on Friday and between 175 and 275 on Saturday. If x represents the number of hats sold, what inequality would represent the possible range of the total number of hats sold at both stores on Friday and Saturday?

You are a clerk at convenience store. a customer owes 11.69 for a bag of potatoes chips. she gives you a five dollar bill. how much change should the customer receive?

Arecipe uses 2 cups of sugar to make 32 brownies. how many cups of sugar are needed to make 72 brownies?

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