# Statistics : JAN V ?

1. In a poll, respondents were asked whether they had ever been in a car accident.  177 respondents indicated that they had been in a car accident and  107 respondents said that they had not been in a car accident. If one of these respondents is randomly selected, what is the probability of getting someone who has been in a car accident?

2. The data set represents the income levels of the members of a country club. Find the probability that a randomly selected member earns at least  \$102,000

INCOME (Thousands of dollars)

108  128   82  138   85  108  88   76  158  208

79   98  148  85  128  118  88  168  73  118

3. In a certain class of students, there are  13 boys from Wilmette,  3 girls from Kenilworth,  11 girls from Wilmette,  6 boys from Glencoe,  5 boys from Kenilworth and  6 girls from Glencoe.  If the teacher calls upon a student to answer a question, what is the probability that the student will be from Kenilworth?

4. Find the probability of correctly answering the first  2 questions on a multiple choice test if random guesses are made and each question has  4 possible answers.

5. Of  1906 people who came into a blood bank to give blood,  300 people had high blood pressure. Estimate the probability that the next person who comes in to give blood will have high blood pressure.