11 May Question 1 Provide an appropriate response.
Question 1 Provide an appropriate response.
A card is drawn from a standard deck of 52 playing cards. Find the probability that the card is an ace or a heart.
A. 7/52
B 17/52
C 3/13
D 4/13
Question 2 Provide an appropriate response.
A multiple-choice test has five questions, each with five choices for the answer. Only one of the choices is correct. You randomly guess the answer to each question. What is the probability that you answer the first two questions correctly?
| [removed] | A. | 0.2 |
| [removed] | B. | 0.4 |
| [removed] | C. | 0.02 |
| [removed] | D. | 0.04 |
Question 3 Provide an appropriate response.
Decide if the events A and B are mutually exclusive or not mutually exclusive. A die is rolled.
A: The result is an odd number.
B: The result is an even number.
| [removed] | A. | mutually exclusive |
| [removed] | B. | not mutually exclusive |
Question 4 Provide an appropriate response.
A group of students were asked if they carry a credit card. The responses are listed in the table.
If a student is selected at random, find the probability that he or she owns a credit card given that the student is a freshman. Round your answer to three decimal places.
| [removed] | A. | 0.667 |
| [removed] | B. | 0.400 |
| [removed] | C. | 0.333 |
| [removed] | D. | 0.615 |
Question 5 Provide an appropriate response.
Classify the events as dependent or independent.
The events of getting two aces when two cards are drawn from a deck of playing cards and the first card is replaced before the second card is drawn.
| [removed] | A. | dependent |
| [removed] | B. | independent |
Question 6 Provide an appropriate response.
Decide if the events A and B are mutually exclusive or not mutually exclusive. A card is drawn from a standard deck of 52 playing cards.
A: The result is a club.
B: The result is a king.
| [removed] | A. | not mutually exclusive |
| [removed] | B. | mutually exclusive |
Question 7 Provide an appropriate response.
The table lists the smoking habits of a group of college students.
If a student is chosen at random, find the probability of getting someone who is a regular or heavy smoker. Round your answer to three decimal places.
| [removed] | A. | 0.193 | |
| [removed] | B. | 0.221 | |
| [removed] | C. | 0.128 | |
| [removed] | D. | 0.662 | |
|
|
End sq | ||
Question 1
Provide an appropriate response.
One hundred people were asked, “Do you favor the death penalty?” Of the 33 that answered “yes” to the question, 14 were male. Of the 67 that answered “no” to the question, six were male. If one person is selected at random, what is the probability that this person answered “yes” or was a male?
| [removed] | A. | 0.53 |
| [removed] | B. | 0.39 |
| [removed] | C. | 0.13 |
| [removed] | D. | 0.67 |
2 points
Provide an appropriate response.
A group of students were asked if they carry a credit card. The responses are listed in the table.
If a student is selected at random, find the probability that he or she is a sophomore given that the student owns a credit card. Round your answers to three decimal places.
| [removed] | A. | 0.538 |
| [removed] | B. | 0.975 |
| [removed] | C. | 0.462 |
| [removed] | D. | 0.180 |
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