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
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Find the volume of the solid generated by revolving the region bounded by the given lines and curves about the 
. y = 
, y = 1, x = 0 to x = 
A. 
+ ?
B. 
- 
C. 
- 
D. 
- ?
Solve the problem.A window washer accidentally drops a bucket from the top of a 144-foot building. The height h of the bucket after t seconds is given by 
When will the bucket hit the ground?
A. 9 sec B. -3 sec C. 48 sec D. 3 sec
Provide an appropriate response.
What is the interest on $25,000 principal at the interest rate of 6% for 
year?
A. $375 B. $416 C. $1,500 D. $104
Substitute to find the value of the expression.In one store, bananas cost 60 cents per pound. The cost, in dollars, of x pounds of bananas is 0.6x. What is the cost of 1.8 pounds of bananas?
A. $1.28 B. $3.00 C. $0.30 D. $1.08