Answer:
Step-by-step explanation:
(9 - 7)/(4 + 2) = 2/6 = 1/3 is the slope of the line
2.50 would be 25% out of 100%
Answer:
C. 20:16
Step-by-step explanation:
For this question, you have to multiply any integers to make it as ratio that on the answer choices. When you multiply 1 on 5:4, it will be 5:4. If you multiply by 2, it would be 10:8. When you continue to multiply, when you multiply by 4, you get 20:16 which is answer choice C.
Answer:
The 95% confidence interval for the true proportion of all teams that had a season winning percentage better than 0.500 is (0.1853, 0.6147).
Step-by-step explanation:
In a sample with a number n of people surveyed with a probability of a success of
, and a confidence interval
, 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:
8 out of the 20 teams in the sample had a season winning percentage better than 0.500. This means that
.
95% confidence interval
So
, z is the value of Z that has a pvalue of
, so
.
The lower limit of this interval is:

The upper limit of this interval is:

The 95% confidence interval for the true proportion of all teams that had a season winning percentage better than 0.500 is (0.1853, 0.6147).
The answer TO THE QUESTION WILL BE D