Mathematics, 26.07.2019 01:20 chuky1325
The time required for an automotive center to complete an oil change service on an automobile approximately follows a normal distribution, with a mean of 15 minutes and a standard deviation of 3.5 minutes. (a) the automotive center guarantees customers that the service will take no longer than 20 minutes. if it does take longer, the customer will receive the service for half-price. what percent of customers receive the service for half-price? (b) if the automotive center does not want to give the discount to more than 4% of its customers, how long should it make the guaranteed time limit?
Answers: 1
Mathematics, 21.06.2019 14:00
Ben bowled 124 and 188 in his first two games. what must he bowl in his third game to have an average of at least 160?
Answers: 1
Mathematics, 21.06.2019 17:50
On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.
Answers: 2
Mathematics, 21.06.2019 18:30
Two cyclists 84 miles apart start riding toward each other at the samen time. one cycles 2 times as fast as the other. if they meet 4 hours later what is the speed (in miles) of the faster cyclists
Answers: 2
Mathematics, 21.06.2019 22:30
9.4.34 question to estimate the height of a stone figure, an observer holds a small square up to her eyes and walks backward from the figure. she stops when the bottom of the figure aligns with the bottom edge of the square, and when the top of the figure aligns with the top edge of the square. her eye level is 1.811.81 m from the ground. she is 3.703.70 m from the figure. what is the height of the figure to the nearest hundredth of a meter?
Answers: 1
The time required for an automotive center to complete an oil change service on an automobile approx...
Mathematics, 26.01.2021 03:00
Physics, 26.01.2021 03:00
Arts, 26.01.2021 03:00
History, 26.01.2021 03:00
English, 26.01.2021 03:00
Business, 26.01.2021 03:00
History, 26.01.2021 03:00