Answer:
Grumpy, Dopie, Doc, Happy, Bashful, Sneezy and Sleepy.
Step-by-step explanation:
You would plug them in and see if they work. B and D work
Answer:
The mean number of customers that will arrive in a five-minute period is 2.
Step-by-step explanation:
a. What is the mean or expected number of customers that will arrive in a five-minute period
For one minute, the mean is of 0.4 customers.
So, using proportions, for 5 minutes, the mean is of 5*0.4 = 2 customers.
The mean number of customers that will arrive in a five-minute period is 2.
B 24a-22=-4(1-6a) has no solution