Multiple Choice
Assume that X is normally distributed with a mean μ = $64. Given that P(X ≥ $75) = 0.2981, we can calculate that the standard deviation of X is approximately:
A) $20.76.
B) $13.17.
C) $5.83.
D) $7.05.
Correct Answer:

Verified
Correct Answer:
Verified
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