MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Question

In 1940 the average size of a us farm was 174 acres. Let's say that the standard deviation is 55 acres. Suppose we randomly survey 38 farmers from 1940.

Thr IQR for X is from _ acres to_ acres (round to whole numbers)

eb X Introductory Statistics - OpenStax X Home - Tutoring for Students tic.blackboard.com/webapps/assessment/take/launch.jsp?course_assessment_id=_97072_1&course_id=_32026_1&content_ * Question Completion Status: QUESTION 6 Take Test: Chapter 7 HW - Statisti X QUESTION 7 Templates a + 7 X = the average size of a U.S. farm as estimated from a sample of 38, in acres Oc X= the size of a U.S. farm in 1940, in acres X = the sizes of U.S. farms estimated from a sample of 38 farms O d. X = the average size of a U.S. farm as estimated from a sample of 38, in acres X = the size of a U.S. farm in 1940 8 In 1940 the average size of a U.S. farm was 174 acres. Let's say that the standard deviation was 55 acres. Suppose we randomly survey 38 farmers from 1940. The IQR for X is from 169 acres. (Round to whole numbers) acres to 179 QUESTION & The percent of fat calories that a person in America consumes each day is normally distributed with a mean of about 36 and a standard deviation of about ten. Suppose that 16 are randomly chosen. Let X = average percent of fat calories. For the group of 16, find the probability that the average percent of fat calories consumed is more than five. (If your z score is not in the table, use .49999. Round to four de places.) (Graph the situation and shade in the area to be determined.) Find the first quartile for the average percent of fat calories. (Round to one decimal place, example12.3) Click Save and Submit to save and submit. Click Save All Answers to save all answers. Search Me 0 L I
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Transcribed Image Text:eb X Introductory Statistics - OpenStax X Home - Tutoring for Students tic.blackboard.com/webapps/assessment/take/launch.jsp?course_assessment_id=_97072_1&course_id=_32026_1&content_ * Question Completion Status: QUESTION 6 Take Test: Chapter 7 HW - Statisti X QUESTION 7 Templates a + 7 X = the average size of a U.S. farm as estimated from a sample of 38, in acres Oc X= the size of a U.S. farm in 1940, in acres X = the sizes of U.S. farms estimated from a sample of 38 farms O d. X = the average size of a U.S. farm as estimated from a sample of 38, in acres X = the size of a U.S. farm in 1940 8 In 1940 the average size of a U.S. farm was 174 acres. Let's say that the standard deviation was 55 acres. Suppose we randomly survey 38 farmers from 1940. The IQR for X is from 169 acres. (Round to whole numbers) acres to 179 QUESTION & The percent of fat calories that a person in America consumes each day is normally distributed with a mean of about 36 and a standard deviation of about ten. Suppose that 16 are randomly chosen. Let X = average percent of fat calories. For the group of 16, find the probability that the average percent of fat calories consumed is more than five. (If your z score is not in the table, use .49999. Round to four de places.) (Graph the situation and shade in the area to be determined.) Find the first quartile for the average percent of fat calories. (Round to one decimal place, example12.3) Click Save and Submit to save and submit. Click Save All Answers to save all answers. Search Me 0 L I
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