Find the mean for the given sample data. Unless otherwise specified, round your answer to one more decimal place than that used for the observations.The normal monthly precipitation (in inches) for August is listed for 20 different U.S. cities. Find the mean monthly precipitation.
A. 2.80 in.
B. 2.94 in.
C. 3.09 in.
D. 3.27 in.
Answer: B
Mathematics
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Solve the problem.The stock market gained 43 points on Tuesday and lost 51 points on Wednesday. It had closed on Monday at 2720 points. Where did the market close on Wednesday?
A. 2728 points B. 2712 points C. 2626 points D. 2814 points
Mathematics
Insert a decimal point in the product.8.93 × 1000 = 893000
A. 89,300.0 B. 893.000 C. 893,000. D. 8930.00
Mathematics
Solve the equation algebraically. Verify your solution with a graphing utility.x2 - 6x - 27 = 0
A. {3, -9} B. {-3, 9} C. {3, 9} D. {-3, -9}
Mathematics
Let E and F be events with Pr(E) = 0.4, Pr(F) = 0.6, and Pr(E ? F) = 0.8. Find Pr(F|E).
Fill in the blank(s) with the appropriate word(s).
Mathematics