Assume that you plan to use a significance level of a = 0.05 to test the claim that there is no difference in the proportionsof houses with pet dogs and houses without pet dogs. Use the given information to answer the following questions.3) A report on the nightly news broadcast stated that 10 out of 108 households with pet dogswere burglarized and 22 out of 210 without pet dogs were burglarized. What is the pooledproportion? (Show how you set up and calculate this proportion.)3)

Given data A report on the nightly news broadcast stated that 10 out of 108 house holds with pet…

Answered: 3) A report on the nightly news…

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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Thirty-five percent of all Americans drink bottled water more than once a week (Natural resources Defense Council, December 4, 2015). Suppose you have been hired by the Natural Resources Defence Council to investigate bottled water consumption in St. Paul. You plan to select a sample of St. Paulites to estimate the proportion who drink bottled water more than once a week. Assume the popluation proportion of St. Paulites who drink bottled water more than once a week is 0.35 , the same as the overall proportion of Americans who drink bottled water more than once a week. Suppose you select a sample of 540 St. Paulites. Show the sampling distribution of “p with a line over it” (to 4 decimals). E(p with a line over it) = 0` p with a line over it = Based upon a sample of 540 St. Paulites, what is the probability that the sample proportion will be within 0.08 of the population proportion (to 4 decimals). Probability = Suppose you select a sample of 190 St. Paulites. Show the sampling…
If the proportion of Hs is .45 out of 200 flips, what is the p-value?
In a Gallup poll of 1236 adult respondents, 6% said that bad luck follows breaking a mirror. That percentage has a margin of error of 1.5 percentage points. Why is it misleading to state that the percentage is 6% with a margin of error of 1.5%?
5. A company has an inventory with a book value of $4,583,231, which includes 116 product lines and a total of 326,432 units. How many items compose this population for purposes of applying a probability-proportional-to-size sampling plan? Explain.
Thirty-seven percent of all Americans drink bottled water more than once a week (Natural resources Defense Council, December 4, 2015). Suppose you have been hired by the Natural Resources Defence Council to investigate bottled water consumption in St. Paul. You plan to select a sample of St. Paulites to estimate the proportion who drink bottled water more than once a week. Assume the popluation proportion of St. Paulites who drink bottled water more than once a week is 0.37, the same as the overall proportion of Americans who drink bottled water more than once a week. Use z-table. a. Suppose you select a sample of 540 St.Paulites. Show the sampling distribution of (to 4 decimals).E(p) = __________σ = _________ b. Based upon a sample of 540 St. Paulites, what is the probability that the sample proportion will be within 0.01 of the population proportion (to 4 decimals).probability = _________ c. Suppose you select a sample of 150 St.Paulites. Show the sampling distribution of p (to 4…
A programmer plans to develop a new software system. In planning for the operating system that he will use, he needs to estimate the percentage of computers that use a new operating system. How many computers must be surveyed in order to be 90% confident that his estimate is in error by no more than five percentage points question marks? Complete parts (a) through (c) below. a) Assume that nothing is known about the percentage of computers with new operating systems.
If the proportion of Hs is .45 out of 50 flips, what is the p-value? Round to three places.
In 1942, an organization surveyed 1100 adults and asked, "Are you a total abstainer from, or do you on occasion consume, alcoholic beverages?" Of the 1100 adults surveyed, 440 indicated that they were total abstainers. In a recent survey, the same question was asked of 1100 adults and 418 indicated that they were total abstainers. Complete parts (a) and (b) below. (a) Determine the sample proportion for each sample. and respectively. The proportions of the adults who took the 1942 survey and the recent survey who were total abstainers are (Round to three decimal places as needed.)
Identify the sampling techniques used in each scenario. e. surveying movie-goers as they exited the late movie, researchers determined that only young adults under the age of 22 see movies in the theater anymore.
If the proportion of Hs is .25 out of 200 flips, what is the p-value? Round to three places.

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3) A report on the nightly news broadcast stated that 10 out of 108 households with pet dogs were burglarized and 22 out of 210 without pet dogs were burglarized. What is the pooled proportion? (Show how you set up and calculate this proportion.)