Answer:
is c
Step-by-step explanation:
Answer:
-3
Step-by-step explanation:
9-3(2)2
9-(6)2
9-12
-3
Step-by-step explanation:
This event that's taking place is happening twice. The event is the mail getting delivered. It's happening two times. Luckily, you already know the probability of it happening once. Because it happens twice, you just square it. (0.9)^2. 0.81 chance of it happening in two consecutive days.
The salesperson earns a commission of $391
The total amount of merchandise that he sold is $2300
The commission rate is given by


To convert the rate into percentage, multiply with 100%

Therefore, the commission rate is 17%.