Math, asked by 2010414, 9 hours ago

A life insurance salesman sells on the average 4 life insurance policies per week. Use poisson's law to calculate the probability that in a given week he will sell (i) exactly 4 policies (ii) at least 3 policies (iii) at most 2 policies.​

Answers

Answered by avbilashah130084
0

Step-by-step explanation:

The probability of selling 2 or more, but less than 5 policies is

P(2≤X<5)

=P(x

2

)+P(x

3

)+P(x

4

)

=

2!

e

−3

3

2

+

3!

e

−3

3

3

+

4!

e

−3

3

4

=0.61611

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