Really confused on this and need some help to figure this out
1 answer:
The sum is 90 degrees then the angles are complementary angles. The value of x will be 35 degrees.
<h3>What is an angle?</h3>The angle is the distance between the intersecting lines or surfaces. The angle is also expressed in degrees. The angle is 360 degrees for one complete spin.
Complementary angle - Two angles are said to be complementary angles if their sum is 90 degrees.
We have
x + x - 20 = 90
2x = 70
x = 35
Then the value of x will be 35°.
More about the angled link is given below.
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Hey there!
By using this formula, we plug it in.
Your correct answer would be . . .
≈ 
Hope this helps.
~Jurgen
By using this formula, we plug it in.
Your correct answer would be . . .
Hope this helps.
~Jurgen
Answer:
For the first question the sample size is n= 3850
And replacing we got:
We are confident at 95% that the true proportion of all people who like the movie is between 0.484 and 0.516.
Step-by-step explanation:
We have the following info given:
represent the estimated proportion of all people who like the movie
represent the sample size selected
For the first question the sample size is n= 3850
For the second part they gives to us the margin of error:
We know that the confidence interval for a population proportion of interest is given by:
And the margin of error is given by:
So then the confidence interval can be found with this formula:
And replacing we got:
We are confident at 95% that the true proportion of all people who like the movie is between 0.484 and 0.516.