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1) If A and B are two independent events with P(A) = 0.3 and P(B) = 0.1, then A and B are also mutually exclusive, and therefore P(A or B) = 0.4 .
2) Suppose that A and B are events with P(A) = 0.4, P(B) = 0.2, and P(A and B) = 0.2. What is the probability that B will occur, if A occurs?
3) Suppose that A and B are events with P(A) = 0.3 and P(B) = 0.4. Furthermore, if A happens, then B must also happen. What is P(A or B)?
4) Suppose that A and B are mutually exclusive, that P(A) = 0.7, and that P(B) = 0.2. Which of the following is true?
A researcher used stepwise regression to create regression models to predict BirthRate (births per 1,000) using five predictors
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Mean satifaction differ according to how they most use the bank? Identifing notation, state the null and alternitive hypotheses for conducting an ANOVA with data from the survey?
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a. Develop a joint probability table for these data and use the table to answer the remaining questions.b. What do the marginal probabilities tell you about the age of the U.S. population?
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