There are 20 AAA batteries in a box and 7 are defective. Two batteries are selected without replacement. What is the probability of selecting a defective battery followed by another defective battery?

Dan wants to start a supermarket in his hometown, and wants to get into the business only after finding out about the market and how successful his business might be. the best way for dan to gain knowledge is to:

Juanita and sam attend a beach party and notice that the local beach appears to have a great deal more trash washed up on shore than it did when they were young. the water doesn't appear nearly as clear, and there seems to be less evidence of small water creatures living in the shallows. an afternoon at the local library convinces them that one major cause is the new factory nearby. after some discussion, they decide their next step should be identifying the cause of the changes identifying the problem picketing the guilty factory lobbying their elected representatives to complain about the problem talking to a local environmental group about solutions

Ski powder resort ends its fiscal year on april 30. the business adjusts its accounts monthly, but closes them only at year-end (april 30). the resort's busy season is from december 1 through march 31. adrian pride, the resort's chief financial officer, the museums a close watch on lift ticket revenue and cash. the balances of these accounts at the end of each of the last five months are as follows: