derie Gill·30-22 6-Bde2.4 The Empirical Rule - Practice ProblemsC.0.15%d.2.35%C.b. What percent is more than 173?13.5%0-Zo p-101. Given a mean of 165 and a standard deviation of 4, use the empirical rule to answer thefollowing questions:What percent is less than 161?What is the 84th percentile?34% 34%What percent is between 157 and 169?b. What percent is more than 67?d. What is the 16th percentile?Y #+18 0+20What percent is between 65.5 and 73?13.5%2. Given a mean of 70 and a standard deviation of 1.5, use the empirical rule to answer thefollowing questions:72a. What percent is less than 71.5?hoe2.35%!butio0.15%that

Z is known as standard normal variable and value of it's probability is calculated using standard…

Answered: derie Gill -30-22 6-в 2.4 The Empirical…

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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Chloe was enrolled in a different section of introductory psychology. Her information for the midterm and final are provided below. Section X M s Midterm 38 50 10 Final 78 100 12 The department has decided that all marks from introductory psychology courses should be reported based on a standardized distribution with a mean of 100 and standard deviation of 20. What would be Chloe’s midterm and final examination scores based on this new distribution?
31. You Explain It! Cell Phone Rates Monthly charges for cell phone plans in the United States are normally distributed with mean u $62 and standard deviation o = $18. Source: Based on information from Consumer Reports
Which is the largest with regard to the following data set: the range or the standard deviation? 11 11 12 12 12 12 13 15 17 22 22 22 Standard Deviation Range
2. Which measures of central tendency can be used for the variable below? Explain why each of the three measures of central tendency is or is not applicable. Answer Here: How closely do you follow the news about current events? Would you say... Cumulative Frequency Percent Valid Percent Percent Valid Most of the time 1128 41.9 41.9 41.9 some of the time 1304 48.4 48.5 90.4 rarely 239 8.9 8.9 99.3 never 19 .7 .7 100.0 Total 2690 99.9 100.0 Missing Don't Know/Refused (DON'T READ) 2 .1
1. The College of Knowledge gives an admission qualifying exam. The results are normally distributed with a mean of 500 and a standard deviation of 100. The admissions department would like to accept only students who score in the 65th percentile or better. Complete the chart below, and then determine which students would qualify and what score is associated with the 65th percentile. Which students qualify for admission? Student score Z-Score Percentile 530 570 650 800 540
8
hwm8 8.8 2 Eleanor scores 680 on the mathematics part of the SAT. The distribution of SAT math scores in recent years has been Normal with mean 574 and standard deviation 87. Gerald takes the ACT Assessment mathematics test and scores 27. ACT math scores are Normally distributed with mean 23.2 and standard deviation 3.8. What is Elanor's standardized score? Round to 2 decimal places. What is Gerald's standardized score? Round to 2 decimal places.
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Section Mean Standard Deviation English 20.3 6.8 Math 20.7 5.4 Reading 21.4 6.5 Science 20.9 5.5 STEM 21.0 5.2 Georgia's score report said that her ACT Math score was in the 90th percentile. 1. What does this mean in the context of the problem? 2. Approximate her score (within two tenths of a point) on the Math section of the ACT. (Using Desmos is the easiest way...) 3. If her English score was a 29, what percentile was she in for her English score?
Question Help Assume that human body temperatures are normally distributed with a mean of 98.21°F and a standard deviation of 0.61°F. a. A hospital uses 100.6°F as the lowest temperature considered to be a fever. What percentage of normal and healthy persons would be considered to have a fever? Does this percentage suggest that a cutoff of 100.6°F is appropriate? b. Physicians want to select a minimum temperature for requiring further medical tests. What should that temperature be, if we want only 5.0% of healthy people to exceed it? (Such a result is a false positive, meaning that the test result is positive, but the subject is not really sick.) Click to view page 1 of the table. Click to view page 2 of the table
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