Abox contains 13 transistors, 5 of which are defective. if 5 are selected at random, find the probability that a. all are defective. b. none are defective.

You paid $7.70 to the mail package that weighed 5.5 lb. right and solve any quetion to find the cost per pound ? ?

Tcan be concluded that % of the seniors would prefer to see more candid pictures in this year's edition of the yearbook.

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?