Find the standard deviation.4, 9, 45, 10, 11, 43, 32, 34
A. 244.3
B. 23.5
C. 15.6
D. 22.5
Answer: C
Mathematics
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Use a Venn Diagram and the given information to determine the number of elements in the indicated set.n(U) = 87, n(A) = 38, n(B) = 27, n(C) = 42, n(A ? B) = 10, n(A ? C) = 9, 
and 
Find 
A. 5 B. 28 C. 24 D. 4
Mathematics
Use the Binomial Theorem to find the indicated coefficient or term.The coefficient of x8 in the expansion of (x2 - 3)7
A. -945 B. -2835 C. 2835 D. 945
Mathematics
Find the value of k that makes f(x) = kx3 a probability density function on the interval 
.Enter just an integer.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Divide, if possible. If a quotient is undefined, state so.82 ÷ (-82)
A. -1
B. 1
C. 0
D. 
Mathematics