A few days ago
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.
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A few days ago
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
0
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