Answer:
B. a- (-b)
Step-by-step explanation:
question: How many hours of training can you purchase?
Answer: 4 hours
Question: How many hours of training will each of your employees receive?
Answer: 1 hour each!
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The probability of the event total is equal to the multiplication of the probabilities of the smaller events that conform it. So we have the probability of 1/2 for heads over tails, and 1/4 of blue out of 4 colors, therefore, the total probability is:
p = (1/2)(1/4)
p = 1/8