Answer:
11
Step-by-step explanation:
Rasida ran 27 miles total. she ran 5 more miles than double what Diallo ran.
27-5=22
Now divide 22 by 2 to get how many miles Diallo ran.
Shown Where? You didnt add a picture of a graph
4.12 rounded to the nearest tenth is 4.1
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