The mean = 2,000
s = Sigma ( standard deviation ) = 300
M - 2 s = 2,000- 2 * 300 = 2,000 - 600 = 1,400
M + 2 s = 2,000 + 2 * 300 = 2,000 + 600 = 2,600
Answer.
Useful life of light bulbs within 2 standard deviations of the mean is:
A ) Between 1,400 and 2,600 hours
You just have to multiply each number by 180 and that's how many you have of each color respectively
Answer:
0.7
Step-by-step explanation:
Answer:
use photomath
Step-by-step explanation:
Since there are 60 seconds in a minute multiply 8 by 60
The rate is 480 feet per minute.
