Solve the problem.The following table shows the number of residents of Leisureland who participated more than once in the listed activities in various years.
Use linear regression to find two linear functions that can be used to estimate the number of residents reading books and the number of residents playing darts, x years after 1985. Use your functions to predict those years for which the number of residents reading books will exceed the number who play darts.
A. Years after 2012
B. Years after 2008
C. Years after 2010
D. Years after 2014
Answer: B
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A. 69.8° B. 154.8° C. 25.2° D. 85.3°
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Fill in the blank(s) with the appropriate word(s).
Write the rate as a fraction in simplest form. Be sure to include the units in your answer.7 tests for 14 students
A.
B.
C.
D.
Find the expected value.A fair coin is tossed three times, and a player wins $3 if 3 tails occur, wins $2 if 2 tails occur and loses $3 if no tails occur. If one tail occurs, no one wins. What is the expected value of the games?
A. $0.75 B. $2.00 C. -$3.00 D. $3.00