Solve the problem.A drug company is running trials on a new test for anabolic steroids. The company uses the test on 400 athletes know to be suing steroids and 200 athletes known not to be using steroids. Of those using steroids, the new test is positive for 390 and negative for 10. Of those not using steroids, the test is positive for 10 and negative for 190. What is the estimated probability of a false negative result (the probability that an athlete using steroids will test negative)?
A. 0.05
B. 0.975
C. 0.025
D. 0.95
Answer: C
Mathematics
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Evaluate the requested trigonometric function using the information given. csc ? = - 
; ? < ? < 3?/2Find cot ?.
A. 
B. - 
C. - 
D. - 
Mathematics
Solve the system of equations using the inverse of the coefficient matrix.3x + 5y = -10-3x - 6y = 9
A. x = -5, y = 1 B. x = 1, y = -5 C. x = -1, y = 5 D. x = 5, y = -1
Mathematics
Solve the problem.Write the next three "triangular" figurate numbers.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Solve.The growth of revenue R(t) over a 12-year time period for Acme Computer Products is given by
thousand dollars, where t = time in years. Find an equivalent expression for R(t) by factoring out a common factor.
A. 7t(0.1 + 4t) B. 4t(0.1 + 7t) C. 28(0.1t + t2) D. -7t(0.1 - 4t)
Mathematics