Mathematics, 18.03.2021 01:20 eta20
An electric motor manufacturer has stocked 200,000 new motors in the warehouse. In a statistical study a random sample of 250 motors have been tested. The study showed that the motors will on average operate within the specified parameters for 3,500 hours with a standard deviation of 430 hours. It is also assumed that the data is normally distributed. a) Find the approximate number of motors that might work 4,000 hours or more
Answers: 2
Another question on Mathematics
Mathematics, 21.06.2019 16:30
You are making a battery for a science project. you have copper wire for your first electrode. you need to choose a conductor, a second electrode, and a device to plug into your battery. you have already chosen a lemon conductor. complete each statement below about the options that include a lemon conductor.
Answers: 2
Mathematics, 21.06.2019 17:30
Select the correct answer from the drop-down menu. subtracting 3xy^2 from 8xy^2 gives the same result as the expression. [tex]3xy ^{2} - 8xy ^{2} [/tex][tex] { - 7xy}^{2} - {2xy}^{2} [/tex][tex] {7xy}^{2} - {2xy}^{2} [/tex]
Answers: 3
Mathematics, 21.06.2019 20:00
Apatient is to be given 35 milligrams of demerol every 4 hours. you have demerol 50 milligrams/milliliter in stock. how many milliliters should be given per dose?
Answers: 2
Mathematics, 21.06.2019 20:30
The sum of these consecutive integers is equal to 9 less than 4 times the least of the integer. find the three integers
Answers: 1
You know the right answer?
An electric motor manufacturer has stocked 200,000 new motors in the warehouse. In a statistical stu...
Questions
Physics, 13.05.2021 18:40
Social Studies, 13.05.2021 18:40
Mathematics, 13.05.2021 18:40
Mathematics, 13.05.2021 18:40
Mathematics, 13.05.2021 18:40
Mathematics, 13.05.2021 18:40
Mathematics, 13.05.2021 18:40
Mathematics, 13.05.2021 18:40
Mathematics, 13.05.2021 18:40
