Answer:
50°
Step-by-step explanation:
Since, YW bisects angle XYZ.
7(3+5)= ___+___ 15-10=___ (3-2) (20 points)
2 answers:
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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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Let x be the initial amount of money. We know that mum spent 2/3 of this amount, so she's left with
Of this remainder, only 1/4 was deposited, which is
And this amount equals 20, so we have