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how do you do questions d, f, g
P IAU.JUSCOSTULUI (d) How many times would you predict a 2 or a 4 will be rolled, out of the 1,000 rolls? 32. A pollster want
math   Statistics-And-Probability   
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Answer #1

(a)
Size of the population = 23,397 students

(b)
Size of the sample = 1000 students

(c)
\pi = 5850/23,397 = 0.25

(d)
\sigma = 10.25 * (1 – 0.25)/23397 = 0.00283


(e)
p = 0.30

(f)
SD = 0.3* (1 – 0.3)/1000 = 0.01449


(g)

For 95% confidence interval,
The sampling error of the Pollster sample = 1.96 * 0.01449 = 0.0284004

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