What is the standard deviation of the number of trainees that will still be employed at the end of nine months?
A) 0.540
B) 0.240
C) 0.735
D) 0.490
Question 2
The purchasing agent for a municipality has contracted with a local car dealer to purchase four cars. The dealer has 25 cars on his lot; 10 red, 7 blue, 6 white, and 2 purple.
If the purchasing agent has no control over the colors he receives, what is the probability that he receives at least one of the purple cars?A) 0.33
B) 0.30
C) 0.36
D) 0.39
A number of tree species can be interconnected by mycorrhizal fungi in the forests of British Columb
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The distribution of the number of hours that a random sample of people spend doing chores per ...