15 a store manager receives a delivery
of 2 boxes of lightbulbs. each box
contains 25 lightbulbs. the store
manager tests all the lightbulbs and
finds that 2 of them are defective.
based on these results, what can
the store manager predict about the
next delivery of lightbulbs?
a a delivery of 3 boxes will contain
3 more defective lightbulbs than
a delivery of 2 boxes.
b a delivery of 4 boxes will contain
2 more defective lightbulbs than
a delivery of 2 boxes.
c a delivery of 5 boxes will contain
10 more defective lightbulbs than
a delivery of 2 boxes.
d
a delivery of 6 boxes will contain
3 more defective lightbulbs than
a delivery of 2 boxes.

Quick! a survey of 57 customers was taken at a bookstore regarding the types of books purchased. the survey found that 33 customers purchased mysteries, 25 purchased science fiction, 18 purchased romance novels, 12 purchased mysteries and science fiction, 9 purchased mysteries and romance novels, 6 purchased science fiction and romance novels, and 2 purchased all three types of books. a) how many of the customers surveyed purchased only mysteries? b) how many purchased mysteries and science fiction, but not romance novels? c) how many purchased mysteries or science fiction? d) how many purchased mysteries or science fiction, but not romance novels? e) how many purchased exactly two types of books?

Determine the solution for mc001-1.jpeg

How many heads would you expect if you flipped a coin twice? first, fill in the table below with the correct probabilities. hint: the sample space for flipping a coin twice is {hh, ht, th, tt}. a = b = c = f