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Kazeer [188]
3 years ago
9

The director of admissions at Kinzua University in Nova Scotia estimated the distribution of student admissions for the fall sem

ester on the basis of past experience. Admissions Probability 1,040 0.3 1,320 0.2 1,660 0.5 1. What is the expected number of admissions for the fall semester
Mathematics
1 answer:
Naily [24]3 years ago
3 0

Answer: 1406

Step-by-step explanation:

Given Table :

Admissions   Probability

1,040                0.3

1,320                0.2

1,660                0.5

Now, the expected number of admissions for the fall semester is given by :-

E(x)=p_1x_1+p_2x_2+p_3x_3\\\\\Rightarrow\ E(x)=0.3\times1040+0.2\times1320+0.5\times1660\\\\\Rightarrow\ E(x)=1406

Hence, the expected number of admissions for the fall semester = 1406

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