Business partners accessing VerticalNet spend an average of 55 minutes with a standard deviation of 15 minutes (normal distribution). Only 20% of the accesses will last more than how many minutes?
A. 38.5
B. 71.5
C. 42.4
D. 67.6
In a binomial distribution:
A. If P=0.5 and n=3 and x=3, the probability of the result is 0.125 and binomials are skewed right
B. If P=0.5 and n=3 and x=3, the probability of the result is 0.125 and binomials skewed right, or left, or symmetrical
C. the mean is symbolized by "Greek symbol Lambda"
D. its heritage is from the Greek intellectual Aristotle
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In a binomial distribution:A. If P=0.5 and n=3 and x=3, the probability of the result is 0.125 and binomials are skewed right
False – this binomial is symmetric...
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