P(x < a) = 0.6985
Z score at p = 0.6985 using excel = NORM.S.INV(0.6985) = 0.5201
Answer:
About 630 seventh-grade students would like to snorkel
Step-by-step explanation:
if you do
7/9 x 90 equals 630/810 total students
Answer:
10 pi
Step-by-step explanation:
The circumference for a circle is calculated by 2*pi*r or d*pi.
Here we are given the diameter (d) so we plug it in.
10*pi.
Therefore, this is the answer.
The correct answer is letter c