Is that a good estimate TutorRita just got a babysitting job. She will work about 10 hours each week and make $9 an hour.Her parents say she needs to save half, but she can spend the other half.Rita estimates she'll have around $50 of spending money each week. Is that a goodestimate?Yes.No, it is much too high.No, it is much too low.SubmitWork it outNot feeling ready yet? These can help:9 Estimate to solve word problonsMurti-step word problems (0)esc%23236.ertSfC

Answered: Image /qna-images/answer/ad9c6389-3d9d-4506-a90c-70b89a282022.jpg

Answered: Tutor Rita just got a babysitting job.…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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For this problem, carry at least four digits after the decimal in your calculations. Answers may vary slightly due to rounding.In a marketing survey, a random sample of 990 supermarket shoppers revealed that 260 always stock up on an item when they find that item at a real bargain price. (a) Let p represent the proportion of all supermarket shoppers who always stock up on an item when they find a real bargain. Find a point estimate for p. (Enter a number. Round your answer to four decimal places.)________________ (b) Find a 95% confidence interval for p. (For each answer, enter a number. Round your answers to three decimal places.)lower limit _____________ upper limit _____________
For some data, we know the range R of the data is 12 and its median is 6. Find Estimated Lowest Number, and Estimated Highest Number for this data. Give you answers in the same order asked.
What is the answer to this problem?
For this problem, carry at least four digits after the decimal in your calculations. Answers may vary slightly due to rounding.In a survey of 1000 large corporations, 246 said that, given a choice between a job candidate who smokes and an equally qualified nonsmoker, the nonsmoker would get the job. (a) Let p represent the proportion of all corporations preferring a nonsmoking candidate. Find a point estimate for p. (Round your answer to four decimal places.)(b) Find a 0.95 confidence interval for p. (Round your answers to three decimal places.) lower limit upper limit What is the margin of error based on a 95% confidence interval? (Round your answer to three decimal places.)
For this problem, carry at least four digits after the decimal in your calculations. Answers may vary slightly due to rounding.In a marketing survey, a random sample of 992 supermarket shoppers revealed that 274 always stock up on an item when they find that item at a real bargain price. (a) Let p represent the proportion of all supermarket shoppers who always stock up on an item when they find a real bargain. Find a point estimate for p. (Enter a number. Round your answer to four decimal places.) (b) Find a 95% confidence interval for p. (For each answer, enter a number. Round your answers to three decimal places.)lower limit upper limit Give a brief explanation of the meaning of the interval. We are 95% confident that the true proportion of shoppers who stock up on bargains falls within this interval.We are 5% confident that the true proportion of shoppers who stock up on bargains falls above this interval. We are 5% confident that the true proportion of shoppers who…
I need help with this please
I need help with this please
A survey organization, as part of the United States Census Bureau, conducts a yearly census similar to the one taken every ten years, but with a smaller percentage of participants. One of these surveys estimates with 90% confidence that the mean household income in the U.S. falls between $69,709 and $69,917. Find the point estimate for mean U.S. household income. (Enter your answer as a whole number.) x = Find the error bound for mean U.S. household income. (Enter your answer as a whole number.) EBM =

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