Step-by-step explanation:
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<u>-TheUnknownScientist</u>
In a random sample of 190 people, 151 said that they watched educational television. Find the 90% confidence interval of the tru
1 answer:
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Answer:
E.) 1
Step-by-step explanation:
Firstly we will solve for L.H.S.
L.H.S. =
Since we know that is the inverse of
.
So we can say that;
Now For R.H.S.
Since we can rewrite as
.
Now we can say that the R.H.S. is;
Now we add the fraction and get;
Now according to trigonometric identity;
So,
Here,
and
=
<em> </em>
L.H.S. = R.H.S.
Hence