This table shows how many sophomores and juniors attend two high school events . what is the probability that a randomly chosen
person from this group is a sophomore? round your answer to two decimal places.
2 answers:
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Answer: a = 1, b 2, c = 1, d = 4
Answer: option d.
Step-by-step explanation:
You have the following formul given in the problem:
You know that:
The number of customers serviced in an hour by the technical support representative is 6 costumbers, therefore:
As the problem asked for the probability that a costumber will be on hold less than 30 minutes, we know that:
Substitute the values above into the formula.
Then, you obtain:
or 95%