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Simple Probability of Survey Results

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Please help with the following problems.

3. Use this table to answer questions #3 through #5. Some students were asked if they carry a credit card. Here are the responses.
Class______ | Credit Card Carrier | Not a Credit Card Carrier | Total
Freshman______________33_______________________27________________60
Sophomore______________6_______________________34________________40
Total__________________39_______________________61________________100
What is the probability that the student was a freshman?

4. What is the probability that the student is a sophomore and doesn't carry a credit card? (Points: 4)

5. What is the probability that the student carries a credit card given he's a sophomore? (Points: 5)

6. List the sample space of rolling a 6 sided die. (Points: 4)

7. What is the probability of choosing a queen from a deck of 52 cards? What is the probability of the 2nd card being a queen if the first was a queen? (without replacement) (Points: 4)

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This questions helps with questions about simple probability of survey results.

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3. Use this table to answer questions #3 through #5. Some students were asked if they carry a credit card. Here are the responses.
Class______ | Credit Card Carrier | Not a Credit Card Carrier | ...

Solution provided by:
Gaurav Agarwal, MS
Education
  • BE, Bangalore University, India
  • MS, University of Wisconsin-Madison
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