Answer:
109.33
Step-by-step explanation:
given that the population has a distribution with a mean of 110 and a standard deviation of 8
Sample size n = 40
Std error of sample mean = std dev/square root of sample size
= 
From std normal distribution table we find that 30th percentile for Z is
-0.5244
Corresponding x score =
30th percentile = 109.33663
=109.33
Answer:
30
Step-by-step explanation:
3 x 2 x 5 equals 30
Answer: 2.7 because it’s the introductory
Step-by-step explanation:
Answer:
x=12
Step-by-step explanation:
(X-8)/7=2
X-8=14
X=22