A water footprint is a measure of the appropriation of fresh water. The per capita water footprint (in mega gallons) in a certain country for a recent year can be approximatedby a normal distribution, as shown in the figure.(a) What water footprint represents the 84th percentile?(b) What water footprint represents the 26th percentile?(c) What water footprint represents the third quartile?172 Mgala-291 Mgal C1.72Mega galons9.72(a) The water footprint that represents the 84th percentile is(Round to two decimal places as needed.)Mgal. The undergraduate grade point averages (UGPA) of students taking an admissions test in a recent year can be approximated by a normal distribution, as shown in the figure.(a) What is the minimum UGPA that would still place a student in the top 10% of UGPAS?(b) Between what two values does the middle 50% of the UGPAS lie?u13.26la0.16252Grade point average3.26(a) The minimum UGPA that would still place a student in the top 10% of UGPAS is(Round to two decimal places as needed.)

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Answered: A water footprint is a measure óf the…

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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210 people are asked how many siblings they have? # of Siblings Frequency Relative Frequency Cumulative Frequency 0 0.1714 40 1 2 39 3 52 4 43 a. Complete the table (Use 4 decimal places when applicable) b. What percent of the people have exactly two siblings? 36 0.1857 0.2476 0.2048 115 167 210
could you write with a pen and paper?
21 d-f
Explain the meaning of the accompanying percentiles. (a) The 5th percentile of the head circumference of males 3 to 5 months of age in a certain city is 41.5 cm. (b) The 95th percentile of the waist circumference of females 2 years of age in a certain city is 49.8 cm. (c) Anthropometry involves the measurement of the human body. One goal of these measurements is to assess how body measurements may be changing over time. The following table represents the standing height of males aged 20 years or older for various age groups in a certain city in 2015. Based on the percentile measurements of the different age groups, what might you conclude?
Question 12 A variable is normally distributed with mean 22 and standard deviation 7. Use your graphing calculator to find each of the following areas. Write your answers in decimal form. Round to the nearest thousandth as needed. a) Find the area to the left of 22. b) Find the area to the left of 20. c) Find the area to the right of 21. d) Find the area to the right of 23. e) Find the area between 20 and 29. Question Help: D Post to forum Calculator Submit Question
The following are the P/E ratios (price of stock divided by projected earnings per share) for 15 banks. 34, 19, 21, 20, 23, 14, 22, 29, 23, 24, 43, 31, 23, 18, 15 Find 10th and 75th percentiles for these ratios.(If necessary, consult a list of formulas.) (a) The 10th percentile: (b) The 75th percentile:
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…
Consider the following table: SS DF MS ? 10 10 7 706.87 15 Among Treatments 4468.45 Error Total Step 3 of 8: Calculate the mean square among treatments. Please round your answer to two decimal places. LL F
In a student survey, fifty-two part-time students were asked how many courses they were taking this term. The (incomplete) results are shown below: Please round your answer to 4 decimal places for the Relative Frequency if possible. # of Courses Frequency Relative Frequency Cumulative Frequency 1 19 19 2 0.2885 3 18 0.3462 52 What percent of students take exactly two courses?_______ %

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