TRUE/FALSE 1.When events A and B are independent, then P(A and B) = P(A) + P(B).
TRUE/FALSE
1.When events A and B are independent, then P(A and B) = P(A) + P(B).
2.There are 3 blue balls, 4 red balls, and 2 white balls in a bag of balls. If a person selects two balls one at a time, without replacement, the probability that the second one is blue given that the first one was white is 3/8.
3.When a patient complains of several specific symptoms to a doctor, and the doctor makes the diagnosis saying that she is 90% certain that the patient has the flu, it is likely that she is basing her assessment on relative frequency approach of assigning probabilities.
4.If three coins were tossed together, the number of possible outcomes would be eight.
5.The sum of all the probabilities of simple events in a sample space equals one.
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