You want to design a study to estimate the proportion of students on your campus who agree  with the statement “The student government is an effective organization for expressing the  needs of students to the administration.” You will use a 90% confidence interval and you would like the margin of error to be 0.05 or less. In previous years, it has been noted that the 32% of the campus agree with the statement. The minimum sample size required is approximately  (A) 22 (B) 1795 (C) 335 (D) 236  If you feel the answer is none of the choices given, submit no answer to th

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A: Solution

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A: Given information Error = 2.5% = 0.025 Confidence level = 0.90

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Q: a) Construct a 95% confidence interval for the slope.

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Q: *** a. Use the sample data to construct a 90% confidence interval estimate of the percentage of cell…

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A: Number of Canadian adults in 2005= 75 Number of Canadian adults in 2009 = 120   significance level =…

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A: The formula to construct confidence interval is, p^±Zα/2*p^(1-p^)n The formula for margin of error…

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A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

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A: A telephone poll of 1,000 adult Americans was reported in an issue of a news magazine. One of the…

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A: Given data we have conducted a one sided hypothesis test with a significance level α=0.02

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Q: ude the per

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A: We want to find the sample size (n)

Q: We have conducted a one sided hypothesis test with a significance level a = 0.10. We would like to…

A: Answer -  We have conducted a one sided hypothesis test with a significance level  α  = 0.10

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Q: Several years ago, 44% of parents who had children in grades K-12 were satisfied with the quality of…

A: We have given that 44% of parents who had children in grades K-12 were satisfied with the quality of…

Q: In a study of government financial aid for college students, it becomes necessary to estimate the…

A: Solution: From the given information, confidence level is 0.99 and E=0.05.

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Q: 5. Attending sporting events is a popular source of entertainment. When 1000 people were surveyed,…

A: (5)

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A: Given α=0.10

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Q: Several years ago, 48% of parents who had children in grades K-12 were satisfied with the quality of…

A: Given : n = 1035 X = 497

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Q: PROBLEM: A psychologist asks a random sample of 30 female adolescents and a separate, random sample…

A: Given:   Case Female Male 1 5.2 5 2 4.5 4.4 3 6.4 6.4 4 4.5 4.9 5 8.1 3.6 6 5.6 5.1…

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A: From the provided information, Sample size of floppy disks (n) = 542 Number of defective disk (x) =…