Prepare a probability distribution for the experiment. Let x represent the random variable, and let P represent the probability.A ball player batting .300 comes to bat 3 times in a game. The number of hits is counted.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Mathematics
Find the real solutions, if any, of the equation. Use the quadratic formula.3x2 + x - 1 = 0
A. 
B. 
C. no real solution
D. 
Mathematics
Simplify the expression. Use positive exponents. Assume variables represent nonzero real numbers.
A. t5
B. t
C. t4
D. 
Mathematics
Find all solutions to the equation. Express the solution in degrees.
csc x + 2 = 0
A. 240° + 360°n or 300° + 360°n B. 120° + 360°n or 300° + 360°n C. 60° + 360°n or 240° + 360°n D. 60° + 360°n or 120° + 360°n
Mathematics