Nathan had an infection, and his doctor wanted him to take penicillin. Because Nathan's father and paternal grandfather were all
ergic to
penicillin, Nathan had a 75% chance of having the same allergy. The doctor performed a skin test to see whether Nathan would react to it. The
test is 98% accurate. What is the probability that Nathan is allergic to penicillin and the test predicts it?
A. 0.005
B. 0.015
C. 0.245
D.
0.735
penicillin, Nathan had a 75% chance of having the same allergy. The doctor performed a skin test to see whether Nathan would react to it. The
test is 98% accurate. What is the probability that Nathan is allergic to penicillin and the test predicts it?
A. 0.005
B. 0.015
C. 0.245
D.
0.735
1 answer:
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Answer:
B.
Step-by-step explanation:
Given: expressions
To find: the expression whose value is closest to e
Solution:
Value of e is 2.718
Therefore, value 2.659 is closest to the value of e.
So, option B. is correct.
Answer:
This test batch can be chosen in 2380 ways
Step-by-step explanation:
The order in which the batteries are chosen is not important. So we use the combinations formula to solve this question.
Combinations formula:
is the number of different combinations of x objects from a set of n elements, given by the following formula.
In how many ways can this test batch be chosen?
4 batteries from a set of 17. So
This test batch can be chosen in 2380 ways