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
What is being asked here? Are they asking for the passing grade or the total with all the other 90 points added? I think it is A, 90%
is there anther way you can put the pic i cant see
I think it's 7 I don't think I have a direct answer why I think it's 7 but yeah I think it's 7.