Mathematics, 21.06.2020 10:57 Spence8900
suppose the commute times for employees of a large company follow a normal distribution. if the mean time is 18 minutes and the standard deviation is 5 minutes, 95% of the employees will have a travel time within which range A. 13 mins to 23 mins B. 3 mins to 33 mins c 8mins to 28 mins D 13.25 and 22.75
Answers: 1
Mathematics, 21.06.2019 13:00
Officer brimberry wrote 24 tickets for traffic violations last week, but only 9 tickets this week. what is the percent decrease? give your answer to the nearest tenth of a percent.
Answers: 1
Mathematics, 21.06.2019 16:30
An automated water dispenser fills packets with one liter of water on average, with a standard deviation of 5 milliliter. the manual says that after a year of operation the dispenser should be tested to see if it needs recalibration. a year later a number of filled packets are set aside and measured separately. it is found that the average packet now contains about 0.995 liters. does the dispenser need calibration? explain your answer.
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
suppose the commute times for employees of a large company follow a normal distribution. if the mean...
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