Answer:
492.84
Step-by-step explanation:
333 x 148÷100
= 492.84
Answer: C.
Step-by-step explanation:
The confidence interval for difference of two population mean is given by :-
Given : Level of significance :
Then , significance level :
Critical value :
Hence, a 99% confidence interval for the difference between the mean wait times of everyone who rode both rides
Answer:
5
Step-by-step explanation:
Answer:
8,-8
Step-by-step explanation: