For a normal distribution find the fraction of scores below a score with 
.
What will be an ideal response?
0.7881
Mathematics
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Find the axis of symmetry of the function.f(x) = 3x2 - 24x + 53
A. x = 5 B. x = -5 C. x = 4 D. x = -4
Mathematics
Decide if the situation is a permutation or a combination and then answer the question.How many ways can a president, vice-president, and secretary be chosen from a club with 9 members?
A. Combination; 84 B. Combination; 6 C. Permutation; 27 D. Permutation; 504
Mathematics
Add.12.46 + 6.96 + 0.0753 + 0.803
A. 20.1477 B. 20.2983 C. 6.2277 D. 6.3783
Mathematics
Find the probability of the event.If a single coin is tossed four times, then what is the probability of getting exactly four tails?
A. 
B. 0
C. 
D. 
Mathematics