Mathematics, 27.11.2021 14:30 crosales102
A dishwasher has a mean life of 12 years with an estimated standard deviation of 1.25 years ("Appliance life expectancy," 2013). Assume the life of a dishwasher is normally distributed.
a.) State the random variable. The random variable is the age of the dishwasher.
b.) Find the probability that a dishwasher will last more than 15 years.
c.) Find the probability that a dishwasher will last less than 6 years.
d.) Find the probability that a dishwasher will last between 8 and 10 years.
e.) If you found a dishwasher that lasted less than 6 years, would you think that you have a problem with the manufacturing process? Why or why not?
f.) A manufacturer of dishwashers only wants to replace free of charge 5% of all dishwashers. How long should the manufacturer make the warranty period?
Answers: 2
Mathematics, 21.06.2019 13:20
Figure lmno is located at l (1, 1), m (4, 4), n (7, 1), and o (4, β2). use coordinate geometry to best classify quadrilateral lmno.
Answers: 3
Mathematics, 21.06.2019 16:40
The table shows the total distance that myra runs over different time periods. which describes myraβs distance as time increases? increasing decreasing zero constant
Answers: 1
Mathematics, 21.06.2019 21:30
Aroulette wheel has 38 slots in which the ball can land. two of the slots are green, 18 are red, and 18 are black. the ball is equally likely to land in any slot. the roulette wheel is going to be spun twice, and the outcomes of the two spins are independent.the probability that it lands one time on red and another time on black in any order is(a) 0.5 (b) 0.25 (c) 0.4488 (d) 0.2244
Answers: 1
Mathematics, 21.06.2019 21:50
Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab
Answers: 2
A dishwasher has a mean life of 12 years with an estimated standard deviation of 1.25 years ("Applia...
Mathematics, 10.05.2021 20:20
Mathematics, 10.05.2021 20:20
Arts, 10.05.2021 20:20
Mathematics, 10.05.2021 20:20
Mathematics, 10.05.2021 20:20
History, 10.05.2021 20:20