What is the approximate shaded area under the normal curve shown below?l+la- 20 -loA) 95%B) 84.5%C) 81.5%D) 68%

The empirical rule states that if a distribution is unimodal and symmetric i.e. more or less…

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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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Researchers studying anthropometry collected body girth measurements and skeletal diameter measurements, as well as age, weight, height and gender, for 507 physically active individuals. Use the table to answer the questions. Min 147.2 Q1 164.3 Median 171.3 Mean 172.5 SD 8.7 Q3 178.1 Max 198.1 a) What is the point estimate for the average height of active individuals? ______________ cmb) What is the median height of these active individuals? ______________ cmc) What is the point estimate for standard deviation of heights of active individuals? ____________ cmd) The IQR extends from ______________ cm to ______________ cm, giving an IQR of ______________ cm.e) Is a person who is 1m 90cm (190cm) tall considered unusually tall? And is a person who is 1m 50cm (150cm) considered unusually short? __No, they are not unusual since these heights are within two standard deviations of the mean __No people can come in all sizes, we cannot define usual…
What is the proportion of the normal distribution that is located beyond z = 2.20? a. 0.9861 b. 0.0139 c. 0.4878 d. 0.0456
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What is the proportion that lies between the z scores under the normal curve? A. 1.00 and -1.00 B. 1.96 and -1.96 C. 2.58 and -2.58 D. 0.00 and 1.00 E. 1.50 and 0.10 F. 2.00 and 0.80
Suppose the lengths of human pregnancies are normally distributed with µ = 266 days and o= 16 days. Complete parts (a) and (b) below. (Type integers or decimals.) A. The proportion of human pregnancies that last less than B. The proportion of human pregnancies that last more than days is days is Provide a second interpretation of the area using the given values. Select the correct choice below and fill in the answer boxes to complete your choice. (Type integers or decimals.) O A. The probability that a randomly selected human pregnancy lasts less than B. The probability that a randomly selected human pregnancy lasts more than (b) The figure to the right represents the normal curve with µ = 266 days and o = 16 days. The area between x = 280 and x = 295 is 0.1558. Provide two interpretations of this area. days is days is Provide one interpretation of the area using the given values. Select the correct choice below and fill in the answer boxes to complete your choice. (Type integers or…

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What is the approximate shaded area under the normal curve shown below? - 20 -lo A) 95% B) 84.5% C) 81.5% D) 68%