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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Decompose into partial fractions.
A. - 
+ 
+ 
B. - 
+ 
+ 
C. 
+ 
- 
D. - 
- 
+ 
Mathematics
Solve the problem.Fifty dollars is deposited in the bank at the end of each year for 15 years. During the first eight years, the bank paid 5% compounded annually and after that paid 6% interest compounded annually. Find the amount in the account after 15 years.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Subtract.- 
- 
A. 
B. - 
C. - 
D. 
Mathematics
Solve. Round to the nearest tenth if necessary.Shoes which regularly sell for $124 are on sale for $87. What is the percent decrease?
A. 70.2% B. 42.5% C. 29.8% D. 235.1%
Mathematics