Find the probability.The table lists the eight possible blood types. Also given is the percent of the U.S. population having that type.
Let E be the event that a randomly selected person in the U. S. has type B blood. Let F be the event that a randomly selected person in the U. S. has RH-positive blood.Find P(F|E).
A. 0.818
B. 0.340
C. 0.720
D. 0.107
Answer: D
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Convert to Fahrenheit. Use the formula F = 
C + 32 or F = 1.8C + 32. Round your answer to the nearest tenth if necessary.32°C
A. 49.8°F B. 89.6°F C. 0.0°F D. 115.2°F
Approximate the area under the curve and above the x-axis using n rectangles. Let the height of each rectangle be given by the value of the function at the right side of the rectangle.f(x) = x2 + 2 from x = 1 to x = 4; n = 6
A. 24.875 B. 26.875 C. 30.875 D. 28.875
Solve the equation on the interval [0, 2?).tan x + sec x = 1
A. 
B. no solution
C. 0
D. 
Solve the problem.The number (in thousands) of male employees working for a certain company can be approximated by 
where x represents the number of years since the company first opened. The corresponding polynomial for female employees is 
Find the polynomial that gives the total number of employees for a given year.
A. (-0.1x2 + 10.9x + 7.4) thousand B. (-0.1x2 + 4.1x + 5.4) thousand C. (-0.1x2 + 4.1x + 7.4) thousand D. (-0.1x2 + 10.9x + 5.4) thousand