Answer:
6.1-10.3
Step-by-step explanation:
Multiply standard deviation times 3 = 2.1
Subtract and add to mean.
Answer:
82.5% and 17.5%
Step-by-step explanation:
The telemarketer made 200 phone calls and only 35 people signed up. Therefore, we need to find the amount of people who didnt.
200 - 35 = 165
165 people did not sign up.
This meants that the frequency of getting a customer is 35/200 and not is 165/200. In percentages,
The relative frequency of not getting a customer is 82.5%
The relative frequency of getting a customer is 17.5%
Answer:
-1y+1x-2
Step-by-step explanation:
if you are combining like terms this is how you do it at all of the same variables together to simplify the expression