Answer:
0.04578
Step-by-step explanation:
Hope this helps somewhat.
The parameter used in the probability is the average number of students represented by u.
How to calculate the probability?
The confidence interval based on the information will be:
= 3.85 - 2.09(1.348 / ✓20)
= 3.22
Also, 3.85 + 2.09(1.348 / ✓20) = 4.48
The confidence interval simply means that one is 95% confident that the true mean is between 3.22 and 4.48.
Answer:
Step-by-step explanation:
I’m not good at round but the answer without the rounding is 2799.16
If you decrease number by 50% of that number you are basically dividing with 2 hence the answer is 15.
