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dqr200_assignment_4b_chapter_4.xlsx
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Topic 19 Conditional Probability & Tables Please complete the following assessment by providing the answers in the cells provided.
Please refer to the tables on the right when appropriate. Employees of a Company
Retirement Benefits No Retirement Benefits total
1.Among the female employees of a company, what proportion have no retirement benefits? Male 250 50
Female 125 75
answer: Total
2.What is the probability a randomly selected employees is male given the mployee has retirement benefits? Pregnancy Test Results
Positive Test Negative Test total
answer: Pregnant 80 5
Not Pregnant 3 11
3. What is the probability of a false positive pregnancy test result given that it was a positive test result? Total
answer: Titanic Mortality Data (Passengers Only)
Men Women Boys Girls total
4. Among all survivors of the titanic, what proportion were female (women and girls)? Survived 332 318 29 27
answer: Died 1360 104 35 18
Total
5. If a passenger of the Titanic is selected randomly, find the probability the passenger did not survive given the passenger was male (men and boys).
answer:
6.Find the probability a randomly selected card is a face card or a heart.
answer:
7. Find the probability a randomly selected women had a positive test result or is pregnant.
answer:
8. If 2 cards are selected from a standard 52 card deck, what is the probability both are aces? Assume the first card s replaced before the second selection is made.
answer:
9. If 3 employees are selected, what is the probability that all of them collect retirement benefits?
answer:
10. If 2 passengers are selected at random from the Titanic Mortality Data, what is the probability the first selected is a boy and the second selected is a girl?
answer:

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