According to a poll of adults, about 40% work during their summer vacation. Assume that the true proportion of all adults that work during summer vacation is p 0.40.Now consider a random sample of 300 adults. Complete parts a and b belowa. What is the probability that between 35% and 45% of the sampled adults work during summer vacation?The probability is(Found to three decimal places as needed.)स7frecMoreiEnter your answer in the answer box and then click Check AnswerCheck AnswerClear Al1partremainingRaEtto searchXLE

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Asked Oct 30, 2019
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According to a poll of adults, about 40% work during their summer vacation. Assume that the true proportion of all adults that work during summer vacation is p 0.40.
Now consider a random sample of 300 adults. Complete parts a and b below
a. What is the probability that between 35% and 45% of the sampled adults work during summer vacation?
The probability is
(Found to three decimal places as needed.)
स
7
frec
More
i
Enter your answer in the answer box and then click Check Answer
Check Answer
Clear Al
1part
remaining
R
a
Et
to search
X
LE
help_outline

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According to a poll of adults, about 40% work during their summer vacation. Assume that the true proportion of all adults that work during summer vacation is p 0.40. Now consider a random sample of 300 adults. Complete parts a and b below a. What is the probability that between 35% and 45% of the sampled adults work during summer vacation? The probability is (Found to three decimal places as needed.) स 7 frec More i Enter your answer in the answer box and then click Check Answer Check Answer Clear Al 1part remaining R a Et to search X LE

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Expert Answer

Step 1

Computation of mean and standard deviation:

Here, n=300; p̂=0.40; q̂=0.60 (=1−0.40).

The m...

=0.40
p(1-p)
бр
п
0.40(1-0.40)
300
-0.0283
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=0.40 p(1-p) бр п 0.40(1-0.40) 300 -0.0283

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