Mr. Kee hands out pencils at the beginning of the year to his class of 28 students. Pencils come in boxes of 10. Each student gets 1 pencil. Mr. Kee keeps any pencils that are left over. How many boxes of pencil does Mr. Kee open? How many does he keep?

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

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. after tax the total is 45.99. what percentage of the subtotal is the total?

15 and 14.7 are 1 apart, so 15 – 14.7 must be 1.