Mathematics, 23.10.2021 01:00 alyxkellar06
The standard deviation of the lifespan of a certain brand of LED light bulbs is 23 months. The quality control department at this company takes a random sample of 75 LED light bulbs and finds the mean lifespan of sample is 135 months. What is the probability that this sample mean is within 1 months of the mean of all light bulbs produced by the company
Answers: 3
Another question on Mathematics
Mathematics, 21.06.2019 14:30
Which of the following lines is parallel to x=4? a- 3y=9 b- y=4 c- x=2 d- x=y answer this as soon as possible xoxo lo ; )
Answers: 3
Mathematics, 21.06.2019 14:30
The amount of money, in dollars, in an account after t years is given by a = 1000(1.03)^t. the initial deposit into the account was $_^a0 and the interest rate was _a1% per year. only enter numbers in the boxes. do not include any commas or decimal points^t. the initial deposit into the account was $__^a0 and the interest rate is % per year.
Answers: 2
Mathematics, 21.06.2019 15:00
If 1 is divided by the sum of y& 4. the result is equal to 3 divided by 4 .find the value of m?
Answers: 1
You know the right answer?
The standard deviation of the lifespan of a certain brand of LED light bulbs is 23 months. The quali...
Questions
Health, 24.04.2020 19:51
Physics, 24.04.2020 19:52
Mathematics, 24.04.2020 19:52
Chemistry, 24.04.2020 19:52
Mathematics, 24.04.2020 19:52
Geography, 24.04.2020 19:52
English, 24.04.2020 19:52
Biology, 24.04.2020 19:52
