The probabilities of the independent events A and B are 0.4 and 0.5 respectively. Find the following probabilities
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- The probabilities of the independent events A and B are 0.4 and 0.5 respectively. Find the following probabilities:
a) The probability of A and B occurring.
b) The probability of A but not B occurring.
c) The probability of A or B occurring.
d) The probability of A or not B occurring.
e) The probability of A occurring given that B has occurred.
f) The probability of A occurring given that B has not occurred.
- Many firms require their employees to be screened for drugs. Some employees are concerned that a false positive may be recorded from the screening; that is, employees who are not drug abusers may incorrectly test positive. Assume that 10% in a particular population are drug abusers. Suppose that the probability of a false positive is 0.5% and that the probability of a correct positive on someone who is under the influence of drugs is 99.9%. What is the probability that a person who tests positive is really a drug abuser?
12 years ago
The probabilities of the independent events A and B are 0.4 and 0.5 respectively. Find the following probabilities
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The probabilities of the independent events A and B are 0.4 and 0.5 respectively
NOT RATED12 years ago
