Mathematics, 25.03.2020 20:00 MGA20078
A fast food restaurant just leased a new freezer and food fryer for three years. The service contract for the freezer offers unlimited repairs for a fee of $125 a year plus a $35 service charge for each repair needed. The restaurant’s research indicates that during a given year 80% of these freezers need no repairs, 11% needed to be serviced once, 5% twice, 4% three times, and none required more than three repairs.
a. Find the expected number of repairs for this freezer per year.
b. Find the standard deviation of the number of repairs per year.
c. What are the mean and standard deviation of the restaurant’s annual expense with the service contract for the freezer?
Answers: 1
Mathematics, 21.06.2019 20:30, NetherisIsTheQueen
What is always true about a positive integer raised to a negative odd power?
Answers: 1
Mathematics, 22.06.2019 00:40, townselt3861
‼️‼️‼️‼️‼️the pressure exerted on the walls of a container by a gas enclosed within it is directly proportional to the temperature of the gas. if the pressure is 6 pounds per square inch when the temperature is 440 f, find the pressure exerted when the temperature of the gas is 380°f. (show work)
Answers: 1
Mathematics, 22.06.2019 02:30, jdkrisdaimcc11
The gdp is $1,465.2 billion. the population is 249,793,675. find the per capita gdp.
Answers: 1
Mathematics, 22.06.2019 03:30, laylaaaaah1603
Which of the following is true about the following construction of a tangent to a circle from a point outside of the circle?
Answers: 3
A fast food restaurant just leased a new freezer and food fryer for three years. The service contrac...
Mathematics, 04.07.2019 22:30
Mathematics, 04.07.2019 22:30
Mathematics, 04.07.2019 22:30
Mathematics, 04.07.2019 22:30