If you wanted to be 99% confident that your estimate of theaverage Florida rainfall was within 3 inches of the true average,how many places in Florida should you survey? Use a standarddeviation of 9 inches per year.(i) What would be the z* critical value required to answer thequestion? 0.99(ii) What is the answer to the question, how many places inFlorida should you survey? 8

Answered: Image /qna-images/answer/d3ebc552-75e3-48f8-8c22-5bc49d4800b0.jpg

Answered: If you wanted to be 99% confident that…

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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Scores on the Wechsler Adult Intelligence Scale for the 2020 to 3434 age group are approximately Normally distributed with a mean of 110 and a standard deviation of 15. How high must a person score to be in the top 5%5% of all scores? Enter your answer as a whole number.
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The biologist wants to estimate the average age of Coyotes in Tuolumne County. Her estimates from past experience suggests the standard deviation is 1.3 years. How big of a sample should she take to be 95% sure his estimate is off by no more than 3minutes?
A data set lists weights (lb) of plastic discarded by households. The highest weight is 5.63 lb, the mean of all of the weights is x = 2.316 lb, and the standard deviation of the weights is s = 1.087 lb. a. What is the difference between the weight of 5.63 lb and the mean of the weights? b. How many standard deviations is that [the difference found in part (a)]? c. Convert the weight of 5.63 lb to a z score. d. If we consider weights that convert to z scores between 2 and 2 to be neither significantly low nor significantly high, is the weight of 5.63 lb significant? a. The difference is lb. (Type an integer or a decimal. Do not round.) Clear all Check awer
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