Find the minimum sample size needed to estimate the percentage of managers who have a cat. Use a 0.06margin of error, use a confidence level of 99.8%, and assume that no previous estimates of the percentageof managers who have a cat are available.PII035057666403O None of theseSubmit Question4RF%5TGQFS6HN&7U8MPrtScnKHome9End0F10

The confidence level is 99.8% The margin of error is The objective is to find the minimum sample…

Answered: Find the minimum sample size needed 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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The Bureau of Labor Statistics reports that the official unemployment rate for Black people was 10.4% and 4.7% for White people in February 2015. Select all correct answers for this question. O The samples of white and black people are independent. The explanatory variable is the unemployment rate. The response variable is the unemployment rate. The response variable is race.
1. A company surveyed its employees to determine what the new daily meal allotment dollar amount should be. Of the 159 employees, 94 responded. Pat’s supervisor asked what the recommended dollar amount should be. Pat could take the mean of the 94 responses or calculate a confidence interval about the mean using those 94 responses. Which action of the two (don’t go outside these choices) would give the supervisor a better idea of what the true mean is, and why?
Suppose we wanted to estimate the mean room rate for luxury hotels in the Northeast. Assume that the standard deviation for room rates is $35 and that we want a 95% confidence interval. What is the smallest sample size should we choose if we want a margin of error for our interval of no more than $10? Type your answer here
32. Touch Your Nose With Your Tongue Find the sample size needed to estimate the percentage of adults who can touch their nose with their tongue. Use a margin of error of 2 percentage points and use a confidence level of 90%. a. Assume that p and à are unknown. b. Assume that a previous study showed that 10% of adults can touch their nose with their tongue (based on data from Onedio). c. Does the use of the results from the previous study have much of an effect on the sample size?
39. Create a 95% confidence interval for the data set below. 49 62 54 64 55 49 48 52 65 53 62 ( , ) [three decimal accuracy] [three decimal accuracy]
Provide a significance level and explain how the confidence levels, C, are different for one and two tail tests. Provide pictures (with areas labeled) to support each C.
The current speed limit is 60 mph. This sample of speeds was taken at 4pm on a Monday. Use the data to construct a 80% confidence interval estimate of the standard deviation for the population speeds. 60 62 62 65 56 62 54 61 60 61 69 58 66 what is the lower limit what is the upper limit
Stress levels measured to scale among top company executives are given by the sample data: 98, 75, 92, 80, 86, 91. Find the 98% Confidence Interval for the mean stress level among these executives. O 71.29 to 80.45 O 75.50 to 98.50 89.60 to 82.24 85.23 to 89.64
Use a 0.05 margin of error and use a confidence level of 99%. Complete parts (a) through (c) below.
Twenty-two car salespeople were sampled to see how many cars they sold in a month; the following data was obtained: 26, 20, 22, 18, 21, 14, 24, 28, 17, 23, 28, 29, 18, 17, 24, 26, 19, 27, 26, 22, 23, 25 Construct a 95% confidence interval for the mean number of cars sold per month by the population of car salespeople. S = t = Margine of Error: E = We are 95% confident that, on average, car salespeople sell between cars and cars per month.

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Find the minimum sample size needed to estimate the percentage of managers who have a cat. Use a 0.06 margin of error, use a confidence level of 99.8%, and assume that no previous estimates of the percentage of managers who have a cat are available. O 35 0576 0664 03 O None of these Submit Question