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
I think 4. is 2 and 4. but I'm not entirely sure because I haven't done factors in a long time.
I took geometry a while ago, I can help if you want.
Answer:
x = -(4/3)
Step-by-step explanation:

slope=1
y-intercept= -1
y=x-1
<h3>Your Answer is y=x-1</h3>