Answer:
(e) 39
Step-by-step explanation:
The expected value (or the average number) of impulse purchases per day is given by the probability of an impulse purchase being made (6%) multiplied by the daily number of customers (650):

The average number of impulse purchases is 39 per day.
Step-by-step explanation:
i cant help
The commission percent is 4%
Take (commission / sales) *100
30% Bc there are 30 boys and 90 girls or it’s 10% boys