21. Knowing that you use 245 KWH from 7 a. m. - 7p. m. and 165 KWH from 7p. m. - 7 a. m., answer the follow question using the chart below. Constant Usage
50.05324/KWH
Daytimer (Most usage between 7 am - 7p. m.)
As long as most power used is 7 a. m. - 7p. m., then
$0.05456/KWH
you receive a 20% discount on power usage 7p. m.-7
a. m.
Night Timer (Most usage between 7p. m. - 7 a. m.)
If more than 50% of power usage is outside of 7 p. m. - $0.05281/KWH
7am., then you have to pay the Daytimer rate for all
power usod 7 a. m. - 7p. m.
How much would you have paid on the Constant Usage plan?
$22.37
$21.83
$21.65
$22.08

Finally, the arena decides to offer advertising space on the jerseys of the arena’s own amateur volley ball team. the arena wants the probability of being shortlisted to be 0.14. what is this as a percentage and a fraction? what is the probability of not being shortlisted? give your answer as a decimal. those shortlisted are entered into a final game of chance. there are six balls in a bag (2 blue balls, 2 green balls and 2 golden balls). to win, a company needs to take out two golden balls. the first ball is not replaced. what is the probability of any company winning advertising space on their volley ball team jerseys?