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A survey of a number of the leading brands of cereal shows that the mean content potassium per serving is 95 milligrams, and the standard deviation is 2 milligrams. Find the range in which at least 88.89% of the data will lie. * 87 – 103 mg 91 - 99 mg 89 – 101 mg 93 – 97 mg O O O

A survey of a number of the leading brands of cereal shows that the mean content potassium per serving is 95 milligrams, and the standard deviation is 2 milligrams. Find the range in which at least 88.89% of the data will lie. * 87 – 103 mg 91 - 99 mg 89 – 101 mg 93 – 97 mg O O O

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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47 A survey of a number of the leading brands of cereal shows that the mean content potassium per serving is 95 milligrams, and the standard deviation is 2 milligrams. Find the range in which at least 88.89% of the data will lie. * 87 – 103 mg 91 – 99 mg 89 – 101 mg 93 – 97 mg 48 The average full-time faculty member in a post-secondary degree-granting institution works an average of 53 hours per week. If we assume a bell-shaped curve distribution with a standard deviation of 2.8 hours, what percentage of faculty members work more than 58.6 hours a week? * 12.5% 75% 2.5% O O O O
Transcribed Image Text:47 A survey of a number of the leading brands of cereal shows that the mean content potassium per serving is 95 milligrams, and the standard deviation is 2 milligrams. Find the range in which at least 88.89% of the data will lie. * 87 – 103 mg 91 – 99 mg 89 – 101 mg 93 – 97 mg 48 The average full-time faculty member in a post-secondary degree-granting institution works an average of 53 hours per week. If we assume a bell-shaped curve distribution with a standard deviation of 2.8 hours, what percentage of faculty members work more than 58.6 hours a week? * 12.5% 75% 2.5% O O O O
The number of pounds each member of a weight loss club lost in the first week was 1, 1, 2, 3, 0, 4, 0, 1, and 3. The second week the losses in pounds were 3, 3, 1, 1, 5, 2, 2, 4, and 4. Which is NOT true about the two data sets? * The median of the first data set is equal to the lowest value of the second data set. The two data sets have equal range. The two data sets have equal standard deviation. The two data sets have equal interquartile range. 46 The average age of the accountants at Three Rivers Corp. is 26 years, with a standard deviation of 6 years. The average salary of the accountants is $31, 000, with a standard deviation of $4000. Which of the following is true about the two variables? * The age of the accountants is more consistent than their salaries. The age of the accountants is as consistent as their salaries. There is not enough information since the two variables that are being compared have different units. The salary of the accountants is more consistent than their ages.
Transcribed Image Text:The number of pounds each member of a weight loss club lost in the first week was 1, 1, 2, 3, 0, 4, 0, 1, and 3. The second week the losses in pounds were 3, 3, 1, 1, 5, 2, 2, 4, and 4. Which is NOT true about the two data sets? * The median of the first data set is equal to the lowest value of the second data set. The two data sets have equal range. The two data sets have equal standard deviation. The two data sets have equal interquartile range. 46 The average age of the accountants at Three Rivers Corp. is 26 years, with a standard deviation of 6 years. The average salary of the accountants is $31, 000, with a standard deviation of $4000. Which of the following is true about the two variables? * The age of the accountants is more consistent than their salaries. The age of the accountants is as consistent as their salaries. There is not enough information since the two variables that are being compared have different units. The salary of the accountants is more consistent than their ages.
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