A survey of 100 doctors revealed that 2 out of every 5 doctors recommended Brand M deodorant. Based on these results, how many d
1 answer:
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Answer: ways.
Step-by-step explanation:
is the number of ways in which
distinct objects are selected from a pile of
distinct objects.
In our question,there are a total of people.
So,.
Given that three are selected at random.
So,.
So,the answer is ways.