magine that I want to conduct a survey to find out how many households have at least one cat. If I want to be within 10 percentage points wi 0% confidence, how many households must I survey? TTTArial 3 (12pt)

Find the sample size needed to estimate the percentage of adults who can wiggle their ears. Use a margin of error of 3 percentage points and use a confidence level of 95%. Complete parts (a) and (b) below. a. Assume that p and q are unknown. n= (Round up to the nearest integer.) b. Assume that 25% of adults can wiggle their ears. n= (Round up to the nearest integer.) C

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Better hiring info Editors of the business report inExercise 30 are willing to accept a margin of error of 4%but want 99% confidence. How many randomly selectedemployers will they need to contact?

- ? is also called Select one: Oa. Confidence coefficient Ob. Level of significance Oc. Size of the test d. Power of the test

Hi, please help me solve for question B. Thank you!

Does anyone know how to do 12

In a recent poll, 540 people were asked if they liked dogs, and 54% said they did. Find the margin of error of this poll, at the 99% confidence level. Give your answer to three decimals. (Dont Hand writing in solution) .

A political candidate has asked you to conduct a poll to determine what percentage of people support her. If the candidate only wants a 1.5% margin of error at a 99% confidence level, what size of sample is needed? Enter an integer or decimal number [more..]

Construct a 95% and 99% confidence interval of the age of adults with at most 3 vaccine shots. Compare the marginsof error for intervals. Base from your answers, make an inference in one or two sentences only.