1. Larry Bird made 90% of his free throws. To simulate one free throw shot by Larry Bird, we could use a random digit with:
A) odd = made, even = missed.
B) 0 to 8 = made, 9 = missed.
C) 0 to 4 = made, 5 to 9 = missed.
D) Either (A) or (C) is correct.
2. In government data, a family consists of two or more persons who live together and are related by blood or marriage. Choose an American family at random and count the number of people it contains. Here is the assignment of probabilities of your outcome:
|
Number of persons
|
2
|
3
|
4
|
5
|
6
|
7
|
|
Probability
|
0.42
|
0.23
|
0.21
|
0.09
|
0.03
|
0.02
|
Using the probabilities above what is the expected size of family you draw?
A) 2 people
B) 3 people
C) 3.14 people
D) 3.5 people
E) 4.5 people