## Exam Information

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Math 210
Final Exam A
Fall 2006
Name__________________________________
Questions 1-4 are multiple choice. Circle the letter of the best response. [3 pts each]
1. Suppose I collect a random sample of 30 ages of Hope faculty. From the data collected, I
compute a 95% confidence interval for the mean of the population and get 45 to 52 years old.
Which of the following describes such a 95% confidence interval?
a) 95% of all ages of Hope faculty fall in the interval.
b) If this process were repeated many times, we would expect 95% of the resulting intervals to
contain the mean age of all Hope faculty.
c) If this process were repeated many times, we would expect 95% of the resulting sample
means to be contained in the interval 45 to 52.
d) 95% of the time, the mean age of all Hope faculty will be between 45 and 52 years.
2. A researcher wants to determine if women have more prescriptions for drugs than men do. A
simple random sample of 500 men and 500 women is take...

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