Question

salesman average 2 sales per day , what is the probability he will make at most 1
sale in a single day

Answer 1

my guess is poisson distribution
does that ring a bell?

Answer 2

if not, i am stuck
if so, let me know

Answer 3

it is the Poisson. Would my equation be m=2 to the power of 0 x e-2 / x! and then do the

Answer 4

\[P(x=0)=e^{-\lambda}\] and \[P(x=1)=\lambda e^{-\lambda}\]

Answer 5

in your case \(\lambda=2\)

Answer 6

"at most 1" means 0 or 1, add those two numbers up to get your answer

Answer 7

i.e. \[e^{-2}+2e^{-2}\] for 0 or 1 sale

Answer 8

Thank you so much

Answer 9

yw