Question

True or False: Given the following compound proposition, evaluate if this proposition is true or false when p is true, q is true, and r is false?

p ∧ q → r

Select one:

True

False

In a library box, there are 4 novels, 4 biographies, and 4 war history books. If Jack selects two books at random, what is the probability of selecting two different kinds of books in a row?

Select one:

a. 8/12

b. 8/11

c. 4/11

d. 4/12

You recently visited Mexico and you know that 1 in 200 people who recently visited Mexico have the swine flu. Your doctor suggests that you get tested for the swine flu. The test is 99% accurate, in the sense that the probability of a false positive is 1%. The probability of a false negative is zero. You test positive. What is the new probability that you have swine flu? (round to the nearest thousands place … 3 decimal places)

Answer 1

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