Mathematics, 17.12.2019 07:31 neariah24
The time t that technician requires to perform preventive maintenance on an air conditioning unit has an unknown probability distribution. however, its mean is known to be 2 hours, with standard deviation 1 hour. suppose the company maintains 70 of these units and that the conditions of the central limit theorem apply. what is the probability that a maintenance operation will take more than 2 hours and 15 minutes?
Answers: 3
Mathematics, 21.06.2019 20:30
Write the summation to estimate the area under the curve y = 1 + x2 from x = -1 to x = 2 using 3 rectangles and right endpoints
Answers: 1
Mathematics, 21.06.2019 22:00
Identify the expression equivalent to 4(x + x + 7) − 2x + 8 − 4 by substituting x = 1 and x = 2.
Answers: 2
Mathematics, 22.06.2019 01:30
In a sale there is 25% of all prices a chair costs £45 in sale how much was it before the sale
Answers: 1
The time t that technician requires to perform preventive maintenance on an air conditioning unit ha...
Social Studies, 05.05.2020 15:03
Social Studies, 05.05.2020 15:03
Chemistry, 05.05.2020 15:03
History, 05.05.2020 15:03
History, 05.05.2020 15:03
Health, 05.05.2020 15:03
Mathematics, 05.05.2020 15:03
Biology, 05.05.2020 15:03
Mathematics, 05.05.2020 15:03
Social Studies, 05.05.2020 15:03
Social Studies, 05.05.2020 15:03