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laila [671]
2 years ago
12

Find x and then Find y​

Mathematics
1 answer:
alexgriva [62]2 years ago
5 0

Answer:

x = 27

y = 45

Step-by-step explanation:

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An exit poll of 1000 randomly selected voters found that 515 favored measure A. a. Construct a 99% confidence interval for the s
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Answer:

Step-by-step explanation:

Given that an  exit poll of 1000 randomly selected voters found that 515 favored measure A.

Sample proportion p = \frac{515}{1000} =0.515

q=1-0.515 =0.485\\n =1000\\SE = \sqrt{\frac{pq}{n} } \\=0.158\\

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------------------------

H_0: p =0.5\\H_a: p >0.5\\

(Right tailed test)

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