PLEASE HELP ME ASAP Question #1
What percentage of the sample means are within two
standard deviations above or below the mean?
Question #2
Write an interval that includes all the data two standard
deviations above and below the mean.
Reminder of interval notation:
(lowest number, highest number)

68 percent

Step-by-step explanation:

ha!

i just did this!

18. g

20. h 30 degree turn.

21. d 90 degree angles

and also 19 is a. a sphere not a cirlcle

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the smallest possible measurement of the width is 14 feet

step-by-step explanation:

let's assume length of parallelogram is 'l'

width of parallelogram is 'w'

the perimeter of a parallelogram must be no less than 40 feet

so, we get

we are given

length of parallelogram is 6 feet

so,

l=6

we can plug it

now, we can solve for w

subtract both sides by 12

divide both sides by 2

and we get

so,

the smallest possible measurement of the width is 14 feet