Answer:
Probability that the sample mean score is less than 522 = 0.0166 .
Step-by-step explanation:
We are given that in 2010 the mean mathematics SAT score was 555, and the standard deviation was 125 i.e.;
Mean, 
= 555 and Standard deviation, 
= 125
Also, Z = 
~ N(0,1) where, X bar = sample mean
n = sample size
Now, Probability(X bar < 522) = P( < 
) = P(Z < -2.1284)
= P(Z > 2.1284) = 0.0166
The above probability is calculated using z table.
Therefore, the probability that the sample mean score is less than 522 is 0.0166 .
Answer:
C = 144.4 yds
Step-by-step explanation:
C = 2πr Use the equation of circumference and substitute the given radius
C = 2(3.14)(23) Multiply
C = 144.4 yds
Answer:
It will accelerate more because gravity does not really have in affect on unlike an object with greater will move very slowly
Step-by-step explanation:
Answer:
$2160
Step-by-step explanation:
=PRN
6000×0.12×3
