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Semester 1 Review - Unit 7 Probability

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Last updated about 3 years ago
13 questions
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1 - 2 You have two standard six-sided dice, one red and one green. You roll the dice. What is the probability of getting...
Question 1
1.

An even number on the green die and a three on the red die.
[Write your answer as a reduced fraction.]

Question 2
2.

A three or higher on both dice.
[Write your answer as a reduced fraction.]

3 - 4 A colored spinner was spun twelve times and the results of each spin is summarized in the following table. Find the probability of...
Question 3
3.

Spinning a red or yellow.
[Write your answer as a reduced fraction.]

Question 4
4.

Not getting blue.
[Write your answer as a reduced fraction.]

A point is randomly selected from within the square shown below.
Question 5
5.

What is the probability that the selected point is in the shaded region?
[Approximate your answers to the thousandths place.]

6 - 8 A bag contains nine red, six blue, and five green marbles. What is the probability of selecting...

Question 6
6.

Three green marbles without replacement?
[Write your answer as a reduced fraction.]

Question 7
7.

A red, then a blue, then a green with replacement?

Question 8
8.

A red and then a blue without replacement?

9 - 10 You have a shuffled standard deck of playing cards. You select a card from the deck. What is the probability of selecting...

Question 9
9.

A heart or a seven.
[Write your answer as a reduced fraction.]

Question 10
10.

A black card or a face card.
[Write your answer as a reduced fraction.]

Question 11
11.

There are 50 students in the International Club that speak French, Spanish, or both. 38 students speak French and 21 speak Spanish. What is the probability of selecting a student from the club that speaks both languages.
[Write your answer as a reduced fraction.]

Question 12
12.

In a class of 28, 6 students will be selected to give their presentation tomorrow. How many different ways are there to select those 6 students? [Recall: Does order matter?]

Question 13
13.

In the senior class of 135 students, how many ways are there to select a president, vice-president, and treasurer? [Recall: Does order matter?]