Question 1

You throw a dart at the board shown. Your dart is equally likely to hit any point inside the square board.
What is P(1 point) if r=6?

Accepted Answer

.535

Answer

.635

Answer

.235

Answer

.435

Question 2

A bowl contains 24 red M&Ms, 29 brown M&Ms, and 11 green M&Ms. What is the chance you would reach in randomly pull out a M&M that is not brown?

Accepted Answer

55%

Answer

83%

Answer

17%

Answer

45%

Question 3

Find the number of possible outcomes in the sample space.
Roll a 8-sided die and spin a spinner with 3 different colors.

Accepted Answer

24

Answer

48

Answer

11

Answer

16

Question 4

What is the probability of throwing an even number or a 6 on a die?

Accepted Answer

.5

Answer

.33

Answer

.67

Answer

.83

Question 5

A room contains 71 sophomores of which 46 are males and 25 are females. There are also 78 juniors of which 45 are males and 33 are females. You pick 3 students at random. What is the probability that all 3 are females?

Accepted Answer

$\frac{2204}{38591}$

Answer

$\frac{1204}{38591}$

Answer

$\frac{22}{385}$

Answer

$\frac{4600}{7100}$

Question 6

The question, "Do you play a sport?" was asked of 124 people. Results are shown in the table. What is the probability that a male plays a sport?

Accepted Answer

$\frac{11}{20}$

Answer

$\frac{22}{57}$

Answer

$\frac{9}{20}$

Answer

$\frac{11}{62}$

Question 7

Find what the value of E should be.

Accepted Answer

72

Answer

46

Answer

96

Answer

83

Question 8

279 students at a local college where polled about which science classes they would prefer to take. The results are shown in the two-way table. Create two-way table that shows the joint and marginal RELATIVE frequencies. Give the joint relative frequency of a student wanting an Algebra-based Chemistry class.

Accepted Answer

$\frac{68}{279}$

Answer

$\frac{68}{130}$

Answer

$\frac{68}{166}$

Answer

$\frac{98}{279}$

Question 9

There are 296 children at summer camp and 174 signed up for swimming. There were a total of 102 children that signed up for canoeing and 76 of them also signed up for swimming. Construct a two-way table summarizing the data.

Accepted Answer

122

Answer

96

Answer

98

Answer

174

Question 10

You estimate that there is a 25% chance that the Antlers will win a basketball tournament and a 50% chance the Bears will win. What is the probability that the Antlers or Bears win the tournament?

Accepted Answer

75%

Answer

62.5%

Answer

12.5%

Answer

25%

Question 11

Events A and B are disjoint and independent. Find P(A or B).

Accepted Answer

$\frac{23}{63}$

Answer

$\frac{40}{63}$

Answer

$\frac{1}{3}$

Answer

$\frac{2}{63}$

Question 12

A company paid overtime wages or hired temporary help during 6 months of the year. Overtime wages were paid during 4 months, and temporary help was hired during 8 months. At the end of the year, an auditor examines the accounting records and randomly selects one month to check the payroll. What is the probability that the auditor will select a month in which the company paid overtime wages and hired temporary help?

Accepted Answer

50%

Answer

40%

Answer

25%

Answer

75%

Question 13

You and your friend are part of a group of 22 people celebrating a birthday are at a local restaurant. The restaurant is going to give 2
people in the group a free meal. What is the probability that you and your friend win the free meal?

Accepted Answer

$\frac{1}{231}$

Answer

$\frac{1}{380}$

Answer

$\frac{2}{231}$

Answer

$\frac{1}{462}$

Question 14

Allison, Brian, and Christy are in a golf tournament with 16 golfers total. What is the probability that Allison tees of third, Brian tees of fourth, and Christy tees of fifth?

Accepted Answer

$\frac{1}{3360}$

Answer

$\frac{3}{560}$

Answer

$\frac{3}{3360}$

Answer

$\frac{1}{560}$

Question 15

Find $_{9}C_{6}$ .

Accepted Answer

84

Answer

60480

Answer

80882

Answer

48

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