the mean of normally distributed test scores is 80 and the standard division is 5. If there are 186 test scores in the data samp
le, how many of them were in the 75 to 80 range?
1 answer:
Answer:
63
Step-by-step explanation:
score 75 is one standard dev below the mean ====>to the mean encompasses approx 34% of scores
.34 * 186 = 63
You might be interested in
I think the answer would be 8+9
Answer:
$15.2
Step-by-step explanation:
Answer:
3
Step-by-step explanation:
1+1+1=3
Answer:
A
Step-by-step explanation:
Hope this helps
Converse Perpendicular Transversal Theorem.
If two lines are perpendicular to the same line, then the lines are parallel.