A
(a) You're looking for
where
Customers arrive at a mean rate of 6 customers per 10 minutes, or equivalently 12 customers per 20 minutes, so
Then
(b) Now you want
This time, we have
so that
B
(a) In other words, you're asked to find the probability that more than 1 customer shows up in the same minute, or
with
So we have
C
(a) Similar to B, you're looking for
with
so that
Answer:
She can finish 4 puzzles.
Step-by-step explanation:
3/4+3/4=1 1/2
1 1/2+ 1 1/2= 3(hours)
That means that there are four 3/4s and that also means she does 4 puzzles in 3 hours.
Hope this helps!^_^
Answer:
b part is the answer
please mark me brainliest and follow me my friend.
Answer:
The hard stuff is even worse since we have schoologly now. My chemistry teacher won't even teach the class. He sit at his desk and do whatever on his computer and talks to the student. just let us learn from some passages <u>which do not help at all</u> when it comes to an assignment or test
Step-by-step explanation: