# Question

A driving exam consists of 30 multiple-choice questions. Each of the answers is either right or wrong. Suppose that the probability of making fewer than 7 mistakes is 0.23 and the probability of making from 7 to 15 mistakes is 0.41. Find the probability of making:

a. 16 or more mistakes

b. 7 or more mistakes

c. At most 15 mistakes

d. Which two of these three events are complementary? Explain.

a. 16 or more mistakes

b. 7 or more mistakes

c. At most 15 mistakes

d. Which two of these three events are complementary? Explain.

## Answer to relevant Questions

Use the data given in Exercise 5.47. a. Find the probability that a randomly chosen person said Yes given that the person is female. In other words, what percentage of the females said Yes? b. Find the probability that a ...In the 2012 General Social Survey (GSS), people were asked about their happiness and were also asked whether they agreed with the following statement: “In a marriage the husband should work, and the wife should take care ...About 8 women in 100,000 have cervical cancer (C), so P(C) = 0.00008 and P(no C) = 0.99992. The chance that a Pap smear will incorrectly indicate that a woman without cervical cancer has cervical cancer is 0.03. ...Consider two pairs of grandparents. The first pair has 4 grandchildren and the second pair has 32 grand-children. Which of the two pairs is more likely to have between 40% and 60% boys as grandchildren, assuming that boys ...According to a Gallup conducted poll in 2012, 64% of men and 66% of women believe that gay and lesbian relationships should be legal. Suppose these are accurate percentages. Now suppose a random man and a random woman ...Post your question

0