Answer:
Given 6.8(6.7 – 7.2) – 2(4.6 + 1.2)
Explanation:
-15 is your answer
Answer:
D
Step-by-step explanation:
Answer:
yes
Step-by-step explanation:
it is a factor because you can keep * every time
Answer:
The correct option is C) 21.1 and 0.68
Step-by-step explanation:
Consider the provided information.
The mean composite score was 21.1 with a standard deviation of 4.8. The ACT composite score ranges from 1 to 36, with higher scores indicating greater achievement in high school.
Therefore μ = 21.1 and σ = 4.8
It is given that the sample of 50 students;
Thus, sample size ( n ) = 50
According to the central limit theorem,

Therefore



Hence, the correct option is C) 21.1 and 0.68
(7+x)+x=15
I did trial and error to get x=4.