Solve the problem.The annual precipitation for one city is normally distributed with a mean of 319 inches and a standard deviation of 3.4 inches. Fill in the blanks.In 95% of years, precipitation in this city is between  and  inches.

A. 319, 325.8
B. 308.8, 329.2
C. 312.2, 325.8
D. 308.8, 319


Answer: C

Mathematics

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A value of sinh x or cosh x is given. Use the definitions and the identity  to find the value of the other indicated hyperbolic function.sinh x = , tanh x =

A.  
B.  
C.  
D. - 

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Provide an appropriate response.Find the value of tan ? if sec ? =  and given that the terminal side of ? lies in Quadrant IV.

A. - 
B. - 
C. - 
D. - 

Mathematics

Solve the equation.|12 - 4p|= 8

A. {-5, - 1} B. {1, 5} C. {-5, 1} D. {5}

Mathematics

Solve the problem.The following bar graph shows the ranking of the top items sold at a local sporting event and the percent of fans selecting each item.  What portion of fans purchased nothing? Write the answer as a percent and as a decimal.

A. 72%, 0.72 B. 85%, 0.85 C. 35%, 0.35 D. 50%, 0.5

Mathematics