Mathematics, 10.12.2020 18:30, kitkat033157
A lightbulb manufacturer has found that the amount of time their lightbulbs
work is normally distributed with a mean of 500 hours and a standard deviation
of 50 hours. In a random sample of 1,500 of lightbulbs, which of the following is
closest to the expected number of lightbulbs that would work for more than
600 hours?
240
38
1,462
2
Answers: 2
Mathematics, 21.06.2019 18:30, viktoria1198zz
Florence price's brownies and more sells all types of cookies and pastries. on tuesdays, they markdown all brownies 75% to a sale of $1.50 a dozen. find the selling price and the markdown of a dozen brownies.
Answers: 1
Mathematics, 21.06.2019 18:30, corrineikerd
41/17 as a decimal rounded to the nearest hundredth
Answers: 1
Mathematics, 21.06.2019 22:20, anicholson41
Question 9 of 10 2 points suppose your sat score is 1770. you look up the average sat scores for students admitted to your preferred colleges and find the list of scores below. based on your sat score of 1770, which average score below represents the college that would be your best option? o a. 1790 o b. 2130 o c. 2210 od. 1350
Answers: 3
Mathematics, 22.06.2019 03:10, hardwick744
Which statement is true about the discontinuities of the function f(x) = x-5/ 3x^2-17x-28
Answers: 2
A lightbulb manufacturer has found that the amount of time their lightbulbs
work is normally distri...
Mathematics, 14.04.2020 23:59
Mathematics, 14.04.2020 23:59