If 500 high school students, 376 said they would prefer to have computers in every classroom then the confidence interval at 95% is (71.41%,78.99%) Since option (a) is correct.
Given x= 376, n = 500
The (71.41%,78.99%)

Critical values
Using the z-table the z-critical value at the given significance level at α=0.05 is,
Construct a 95% confidence interval
That is,



= (71.41%,78.99%)
Learn more about confidence intervals here: brainly.com/question/15712887
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so percentage is always out of 100
so 57%is upon 100 then it is 200 upon 1 cuz it is a whole
- 57% of 200
- 57 /100×200/1
- 114 so the ans is 114
- i hope u understood it
6.5 is the answer for that problem
Answer:
1026.02, you can round that online
Step-by-step explanation:
Answer:
$78.00
Step-by-step explanation:
20% + 15% = 35% off of 120 bucks.
35% of 120 = 42
120 - 42 = $78
Hope this helps fam!
~CoCo