12.325-(2.34x3.9)
12.325-(9.126)
3.199 ~3.2
Answer:
Choice A
Step-by-step explanation:
You take the x value and plug it into the formula to see if the answer lines up with the table
Answer:
a. We are confident that the mean admission rate is between 52.8% and 75.0%
Step-by-step explanation:
When you have an unknown population parameter you can use a sample to delimit an interval in which this parameter is, the interval is called confidence interval and the confidence level is the probability of the parameter being inside the interval. The confidence interval is represented by a pair of numbers, in this case, the pair is (52.8%, 75.0%) and the confidence level is 95%, with that level you can say that you're confident that the mean admission rate is between (52.8%, 75.0%).
Answer:
It would be $0.97
Step-by-step explanation:
You round the nearest cent so you round the second number from the dot
