A certain movie theatre sells 3 sizes of boxes of popcorn. Of all the boxes sold 40% are large, 35% are medium, and 25% are small. Of the large boxes of popcorn sold, 60% are buttered, 50% of the medium boxes are buttered; and 80% of the small boxes are buttered. Someone goes to the counter and buys a box of buttered popcorn.
a. 15/63
b. .615
c. 35/123
d. .175
e. none of the others
2006-11-15 07:25:49 · 3 answers · asked by girlsidra 1 in Science & Mathematics ➔ Mathematics
24% are large buttered
17.5% are medium buttered
20% are small buttered
P(buttered box is medium) = 17.5/(24 + 17.5 + 20)
2006-11-15 07:39:34 · answer #1 · answered by Helmut 7 · 1⤊ 0⤋
.50 * .35 = .175 or 17.5% chance they ordered a medium popcorn
The answer is D
2006-11-15 15:35:26 · answer #2 · answered by Terri Ann 2 · 0⤊ 1⤋
the answer is C
2006-11-15 15:33:18 · answer #3 · answered by igot4onit 2 · 1⤊ 0⤋