Amanda, who turns eighty years old this year, has just learned about blood pressure problems in the elderly and is interested in how her blood pressurecompares to those of her peers. She has uncovered an article in a scientific journal that reports that the mean systolic blood pressure measurement for womenover seventy-five is 132.1 mmHg, with a standard deviation of 5.4 mmHg.Assume that the article reported correct information. Complete the following statements about the distribution of systolic blood pressure measurements forwomen over seventy-five.(a) According to Chebyshev's theorem, at least 56% of the measurementslie between mmHg and mmHg. (Round your answer to 1decimal place.)(b) According to Chebyshev's theorem, at least (Choose one) of themeasurements lie between 121.3 mmHg and 142.9 mmHg.Continueaceresc%@2#7412tertab

Answered: Image /qna-images/answer/9e442470-f8fa-4a51-8d1e-716e5ec12191.jpg

Answered: Amanda, who turns eighty years old this…

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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Answer the question in the second photo with the data provided in the first photo
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The average McDonald's restaurant generates $3.3 million in sales each year with a standard deviation of 0.8. Skyler wants to know if the average sales generated by McDonald's restaurants in North Carolina is different than the worldwide average. He surveys 25 restaurants in North Carolina and finds the following data (in millions of dollars): 2.3, 0.9, 2.2, 2.8, 3.1, 3.1, 2.3, 2.6, 2.7, 2.7, 3.1, 3.9, 4.1, 4, 4.5, 1.8, 4.3, 2.7, 3.9, 3.5, 3.2, 1.7, 3.5, 2.9, 2.1 Perform a hypothesis test using a 4% level of significance. Step 1: State the null and alternative hypotheses. Но: ? ? v Ha: ? v (So we will be performing a Select an answer v test.) Step 2: Assuming the null hypothesis is true, determine the features of the distribution of point estimates using the Central Limit Theorem. By the Central Limit Theorem, we know that the point estimates are Select an answer with distribution mean and distribution standard deviation Step 3: Find the p-value of the point estimate. P( ? v ? v P(? v…
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the average hourly wage of production workers in manufacturing in 2007 was $17.41.Assume the variable is normally distributed. If the standard deviation of earning is$3.72, find the percent of production workers who Earned more than $18.55
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