Question

Use the following table to answer questions # 5 to # 7. Treatment: 10-mg Atorvastatin | Placebo Headache: 15 | 65 No headache: 17 | 3 5. If one subject is randomly selected, find the probability that he or she was treated with 10 mg of atorvastatin, given that the subject had a headache. 0.127 0.188 0.578 0.469 0.873 6. If one of the 100 subjects is randomly selected, find the probability of getting someone who had a headache or was treated with 10 mg of atorvastatin. 0.67 0.73 0.97 0.85 0.33 7. If one of the 100 subjects is randomly selected, find the probability of getting someone who was given a placebo or did not have a headache. 0.33 0.85 0.97 0.67 0.73 8. Out of a standard deck of card, what is the probability of selecting 2 kings, without replacement. 0.0045 0.0058 0.0367 0.0054 0.0125 9. Only one of the following statements is true: The main statement when using the multiplication rule is “OR” P(B/ A) = P(B) if A and B are independent. P(B/ A) = P(B) if A and B are not independent. P(B/A) = P(A/B). The main statement when using the addition rule is “AND” 10. What is the probability of selecting a red card or a 7 out of a standard deck of card? 0.459 0.605 0.752 0.576 0.538

          Use the following table to answer questions # 5 to # 7.

Treatment: 10-mg Atorvastatin | Placebo
Headache: 15 | 65
No headache: 17 | 3

5. If one subject is randomly selected, find the probability that he or she was treated with 10 mg of atorvastatin, given that the subject had a headache.
0.127
0.188
0.578
0.469
0.873

6. If one of the 100 subjects is randomly selected, find the probability of getting someone who had a headache or was treated with 10 mg of atorvastatin.
0.67
0.73
0.97
0.85
0.33

7. If one of the 100 subjects is randomly selected, find the probability of getting someone who was given a placebo or did not have a headache.
0.33
0.85
0.97
0.67
0.73

8. Out of a standard deck of card, what is the probability of selecting 2 kings, without replacement.
0.0045
0.0058
0.0367
0.0054
0.0125

9. Only one of the following statements is true:
The main statement when using the multiplication rule is “OR”
P(B/ A) = P(B) if A and B are independent.
P(B/ A) = P(B) if A and B are not independent.
P(B/A) = P(A/B).
The main statement when using the addition rule is “AND”

10. What is the probability of selecting a red card or a 7 out of a standard deck of card?
0.459
0.605
0.752
0.576
0.538

Added by Alan M.

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