[67.9 %, 82.1 %] is the 95% confidence interval for the proportion of test-takers answering the question correctly. So we have [67.9 %, 82.1 %] In a random sample of 144 test-takers with 75% answered the question correctly. So the answer in this question is [67.9 %, 82.1 %].
Answer:
subtract 3 from both sides.
Answer:
$32.50
Step-by-step explanation:
2/5 = 40%
1/10 = 10%
65/2 = 32.5
Answer:
10 divided by 2 =5
Step-by-step explanation:
As the intervals are of 2.. and they extend all over from 0 to 10.. hence dividing it..