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slava [35]
4 years ago
6

On an average, the number of students that choose to study arts subjects at greyin tide university is 17 each year.what is the p

robability that exactly 13 students will take up arts in the coming year?
Mathematics
1 answer:
o-na [289]4 years ago
7 0
Unfortunately, the number of students enrolled is not known.  This must be known to calculate a numerical probability.

Suppose that there are 1000 students at the university.  Then the probability that a given student picked at random is taking an art course is 17/1000, or 0.017.

Hopefully you have a calculator capable of calculating binomial probability (which is what is involved here).

The following function should give you your answer:

binompdf(1000, 0.017, 13) = 0.0657, or roughly 7%.  The probability that 13 out of 1000 students will be taking an arts course during a given year is roughly 7%.
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