To do this, we first want to see how many participants there are in total by adding both males and females.

Now we know that there were 220 total participants, but only 121 were females.
This allows us to set up the fraction 121/220= the percent female.

or 55%
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.
Answer: OPTION B
Step-by-step explanation:
You can find the distance between two points by using the following formula:

Given the points (-2,-6) and (0,5), you can identify that:

Therefore, substituting values, you get that the distance between those points is:

6, it’s equal to 47, so 7(6)+5=47