Answer:
2
Step-by-step explanation:
12/7
=12 ÷ 7
=1.71428571429
nearest tenth?
= 2 because after 1. is 7 and when you round it to the nearest ten it will be 10, so it's a whole. so then that means that it would be 2.
C/1 is the answer................
Answer is attached as a photo. Hope this helped.
<span>a)
2=(x-2.7)/.5
(2)(.5) = x-2.7
1=x-2.7
x=3.7
-2.5=(x-2.7)/.5
(-2.5)(.5) = x-2.7
-1.25 =x-2.7
x=2.7-1.25 = 1.45
b)
95% of the students' score lie within 2 standard deviation of the mean. Therefore, the top 2.5% corresponds to a z value of 2.
The limits are (2, infinity) --- top 2.5 %</span>
