Answer: option A. 24 / 25
Step-by-step explanation:
Cos (Z) = Adj / Hypo
Cos (Z) = 24 / 25
Answer: Buying the 5 tickets to the next hockey game is better because the unit price is only 16$
Step-by-step explanation:
80 / 5 = 16
50 / 3 = 16.666
Answer:
Step-by-step explanation:
20 increased to 22
20/22= 10%
10% of 20.00 is $2.00
2+20 = 22
It should be A if I did the math right which I think I did
Answer:
The lower bound for a 90% confidence interval is 0.2033.
Step-by-step explanation:
In a sample with a number n of people surveyed with a probability of a success of , and a confidence level of , we have the following confidence interval of proportions.
In which
z is the zscore that has a pvalue of .
For this problem, we have that:
90% confidence level
So , z is the value of Z that has a pvalue of , so .
The lower limit of this interval is:
The lower bound for a 90% confidence interval is 0.2033.