Answer:
1/135
Step-by-step explanation:
subtract the 1 from 17/15
you get 2/15 and then you multiply that by 1/18
Since

, we know that

follows a Poisson distribution with parameter

.
Now assuming

denote the mean and standard deviation of

, respectively, then we know right away that

and

.
So,
Answer:
the second one (Diego)
Step-by-step explanation:
7a-3a
5b+4b
Let s be the soda and h be the hot dogs ,there are two equations here. By the problem s+h =161 s= h+43 ∴2h+43=161 so h=161-43/2 =59 so he sold 59 hot dogs and 59+43 =102 sodas.
Answer:
should be 872 in^2
Step-by-step explanation: