Download Investigation 1 Review

Investigation 1 Review
1.
About 20% of Americans put mustard on their hamburger. What is the probability that both you and the
president of the United States put mustard on your hamburger?
2.
About 75% of Americans use hand sanitizer at some point during the day during the winter time. What is
the probability that you and the president of the United States use hand sanitizer at some point during
the day?
3.
What is the probability of not getting doubles on the first roll and getting a sum of 3 on the second roll?
4.
What is the probability of not getting doubles on the first roll and getting a sum of 3 on the second roll
and getting a sum of 8 on the third roll?
5.
What is the probability that a sequence of five flips of a fair coin turns out to be exactly HHHHH?
6.
What is the probability that a sequence of six flips of a fair coin turns out to be exactly HHHHHH?
7.
According to the National Center for Education Statistics, 27.9% of public school students live in a small
town. If you select 2 students at random, what is the probability that they one lives in a small town and
one does not live in a small town?
8.
According to the National Center for Education Statistics, 27.9% of public school students live in a small
town. If you select 2 students at random, what is the probability that neither of them live in a small
town?
9.
According to the National Center for Education Statistics, the percentage of students who are
homeschooled in the United States is 2.2 percent. If you pick 5 students at random in the United States,
what is the probability that they are all homeschooled?