The probability of an economic decline in the year 2008 is 0.23. There is a probability of 0.64 that we will elect a republican president in the year 2008. If we elect a republican president, there is a 0.35 probability of an economic decline. Let D represent the event of an economic decline, and R represent the event of election of a Republican president.
a.Are R and D independent events?b.What is the probability of a Republican president and economic decline in the year 2008?c.If we experience an economic decline in the year 2008, what is the probability that there will a Republican president?d.What is the probability of economic decline or a Republican president in the year 2008? Hint: You want to find P(D?R).
What will be an ideal response?
?
| a. | No, because P(D) ?P(D?R) |
| b. | 0.224 |
| c. | 0.9739 |
| d. | 0.646 |
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What will be an ideal response?
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