A political candidate has asked you to conduct a poll to determine what percentage of people support her.If the candidate only wants a 3% margin of error at a 96% confidence level, what size of sample is needed?Give your answer in whole people.a) State the value of z that you will use in your computation (rounded to 2 decimals).b) State the value of n that you calculate from the formula (unrounded to 2 decimals). Use the value frompart a in your calculation.c) State the value of n that you would use for your sample size (rounded appropriately).

Given that alpha= 0.04 , M.E =0.03

Answered: A political candidate has asked you to…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Supposed that in the past, 10% of women in the Philippines have severe dysmenorrhea. Do we have enough reason to believe that the proportion of women having terrible cramps has decreased if, in a random barangay population of 1,256 women, 122 have severe enough cramping to interfere with their daily lives? Use a = 0.05
The state education commission wants to estimate the fraction of tenth grade students that have reading skills at or below the eighth grade level. Suppose a sample of 2552 tenth graders is drawn. Of the students sampled, 2119 read above the eighth grade level. Using the data, estimate the proportion of tenth graders reading at or below the eighth grade level. Enter your answer as a fraction or a decimal number rounded to three decimal places.
In a recent year, the Better Business Bureau settled 73% of complaints they received. You have been hired by the Bureau to investigate complaints this year involving computer stores. You plan to select a random sample of complaints to estimate the proportion of complaints the Bureau is able to settle. Assume the population proportion of complaints settled for the computer stores is 0.73, as mentioned above. Suppose your sample size is 113. DO NOT USE THE EXCEL FORMULA. CALCULATE BY HAND OR WITH A CALCULATOR. 1. What is the probability that the sample proportion will be within 4 percent of the population proportion?
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A teacher claims that over 9% of maths students are married. In the survey at the beginning of semester, 45 students answered the question about their marital status. 9 of them said they were married. Calculate the test statistic Z? Round answer to 2 decimals
Wildlife biologist inspects 153 deer taken by hunters and find 32 of them carrying Lyme disease ticks. 1). If the scientist want to estimate the proportion of the deer that carry Lyme disease ticks within 2% with 90% confidence how many deer should they sample?
Please use this assigned numbers” 1st No.: 100 Last No.: 110
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Suppose you have a job as a political poll person, approximately 130 million people voted in the last presidential election. How many people do you have to sample to be 95% certain you can identify a difference of 1%.

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