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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Multiply using the rule for finding the product of the sum and difference of two terms.(4 - 9r)(4 + 9r)
A. 16 - 9r2 B. 16 - 72r - 81r2 C. 16 - 81r2 D. 16 + 72r - 81r2
Indicate whether the statement is a simple or a compound statement. If it is a compound statement, indicate whether it is a negation, conjunction, disjunction, conditional, or biconditional by using both the word and its appropriate symbol.If you forget to bring the book back to the library, you will have to pay a fine.
A. Simple statement B. Compound; conditional; ? C. Compound; conjunction; ? D. Compound; biconditional; ?
Multiply.4m4(9m6 - 11m3)
A. -8m4 B. -8m10 - 8m7 C. 36m10 - 44m7 D. 36m10 - 11m3
Find the missing measurement in the figure.
a = 1.36 in. b = 1.36 in. c = 5.4 in.
A. z = 2.68 in. B. z = 3.68 in. C. z = 4.04 in. D. z = 1.78 in.