Provide an appropriate response.The probability distribution for the random variable X is: 
What is the expected value of X?
A. 0.62
B. 0.26
C. 0.22
D. 0.50
Answer: A
Mathematics
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Solve the problem.Jarod calculated the speed of a train to be 30 feet per second. Calculate the speed in miles per hour.
A. 23 mi./hr. B. 20 mi./hr. C. 16 mi./hr. D. 17 mi./hr.
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Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. - 
B. 
C. -1
D. - 
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Solve the equation.log3x2 = log3(5x + 24)
A. ?
B. 
C. 8
D. 8, -3
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