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First Half Mod 4 - Probability

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Last updated almost 8 years ago
18 questions
Note from the author:
Review for first half of EngageNY Module 4. Includes two-way tables, conditional probabilities, independence, and z-scores
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Question 1
1.

Organize the following probilities into conditional and not conditional based on the following two-way table

  • 1. Probability that a person gets a hot dog
  • 2. Probability that a person gets no food given they get a soda
  • 3. Probability a person doesn't get a drink
  • 4. If a person has gotten pizza, probability they get water
  • 5. Probability that a person gets both a hot dog and soda
  • 6. A person got water, what is the probability they got pizza
  • 7. Probability a person got a hot dog but no drink
  • 8. Given a person got soda, probability of getting a hot dog
  • Conditional
  • Not Conditional
Find the probability for each of the probabilities above
Question 2
2.

1. Probability that a person gets a hot dog

Question 3
3.

2. Probability that a person gets no food given they get a soda

Question 4
4.

3. Probability a person doesn't get a drink

Question 5
5.

4. If a person has gotten pizza, probability they get water

Question 6
6.

5. Probability that a person gets both a hot dog and soda

Question 7
7.

6. A person got water, what is the probability they got pizza

Question 8
8.

7. Probability a person got a hot dog but no drink

Question 9
9.

8. Given a person got soda, probability of getting a hot dog

Question 10
10.

Are getting a hot dog and soda independent? Use conditional probability definition

Question 11
11.

Are getting a hot dog and soda independent? Use multiplication definition

In a school of 320 students, 85 students are in the band, 200 students are on sports teams, and 60 students participate in both activities.
Question 12
12.

Draw a Venn diagram representing this scenario.

Question 13
13.

What is the probability a student is in band but not sports?

Question 14
14.

What is the probability a student is in neither?

Question 15
15.

What is the probability of a student being in band OR sports?

The Welcher Adult Intelligence Test Scale is composed of a number of subtests. On one subtest, the raw scores have a mean of 35 and a standard deviation of 6.
Question 16
16.

What is the probability of getting a raw score between 28 and 38?

Question 17
17.

What is the probability of getting a raw score of at least 40?

Question 18
18.

What is the probability of getting a raw score of at most 28?