A nationwide survey conducted by the National Cancer Society revealed the following information: Of 10,000 people surveyed, 3,500 were "heavy coffee drinkers" and 160 had cancer of the pancreas. Of those who had cancer of the pancreas, 141 were heavy coffee drinkers.
Using the data in this survey, determine whether the events "being a heavy coffee drinker" and "having cancer of the pancreas" are independent events. Answer independent or not independent.
not independent
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You are running an election campaign. The number ?N, in thousands, of people who have decided to vote for your candidate after t days is given by
?
.
?
You expect your candidate to win if she gets 43 thousand votes. Will you ever expect your candidate to win? If so when will the required number of votes be reached? Round your answer to the nearest whole number of days.
?
A. The required number of votes will never be reached. B. The required number of votes is reached after 82 days. C. The required number of votes is reached after 86 days. D. The required number of votes is reached after 88 days.
Find the range of the data set.
Use the following information to answer questions 2-10. 24 students in an engineering class were asked to record the number of hours spent in a lab during a week. The results are listed below. 3, 10, 21, 14, 8, 5, 1, 4, 13, 7, 9, 6, 11, 10, 6, 7, 12, 16, 1 , 7, 14, 1, 11, 8
Find an equation of a line satisfying the following conditions.Horizontal, passing through 
A. y = - 
B. y = 
C. x = - 
D. x = 
Find the root. If the root is not a real number, so state.-
A. 49 B. -7 C. not a real number D. 7