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Lelechka [254]
3 years ago
11

Let F be the event that a student is enrolled in a finance course, and let S be the event that a student is enrolled in a statis

tics course. It is known that 40% of all students are enrolled in a finance course and 35% of all students are enrolled in statistics. Included in these numbers are 15% who are enrolled in both statistics and finance. A student is randomly selected, and it is found that the student is enrolled in finance.
What is the probability that this student is also enrolled in statistics?
Mathematics
1 answer:
Inessa [10]3 years ago
5 0

Answer:

0.375

Step-by-step explanation:

Given that F is the event that a student is enrolled in a finance course, and let S be the event that a student is enrolled in a statistics course.

It is known that 40% of all students are enrolled in a finance course and 35% of all students are enrolled in statistics. Included in these numbers are 15% who are enrolled in both statistics and finance.

P(F) = 0.40:  P(S) = 0.35:  P(FS) = 0.15

A student is randomly selected, and it is found that the student is enrolled in finance.

Probability that this student is also enrolled in statistics/ student is enrolled in finance.

= \frac{P(FS)}{P(F)} \\=\frac{0.15}{0.40} \\=0.375

(Using conditional probability formula)

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