Find the probability?

Q1.The number of new memberships that are sold at a health club follows a Poisson distribution with a mean of 5 new accounts per day. Find the probability that 3, 4 or 5 new accounts are opened on a given day.

Top 1 Answers

A few days ago

cidyah

Favorite Answer

Compute Poisson probabilities with mean (lamda)=5

p(x=3)=0.1404

p(x=4)=0.1755

p(x=5)=0.1755

x= no of new accounts

f(x)=exp(-lamda) lamda^x / x! , x=0,1,2,….

3,4 or 5 = p(x=3)+p(x=4)+p(x=5)=0.1404+0.1755+0.1755=0.4914

0.4914

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Find the probability?

Find the probability?

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