Reference no: EM131011873
Solve the problems
1. 5/9 -1/3
2. 15.1/5 - 4.3/4
3. -1/4 + 2/5 +7/12
4.(2.1/4 - 1.1/2) x 4.1/3
5. (-7/8) + 1/2 x (-3/5)
6. Convert 5 feet to inches.
7. Convert 48 ounces to pounds.
8. Convert 13 quarts to gallons.
9. Convert 52 days to weeks.
10. A patient must receive a total of 5.1/3 ml of a drug. If the drug must be administered in three equal doses, how much is each dose?
11. Dr. Sputnikova used 3/5 of the contents of a 10-ounce bottle of medicine. How many ounces did she use?
12. John has 1.1/2 cans of blue paint and 2.1/4 cans of red paint. How much paint does John have total?
13. Find the circumference of a circle with diameter 10 inches. Use 22/7 for Π.
14. Find the median: 94, 66, 75, 32, 104, 28
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Revisiting the multimedia evaluation study
: Mean scores on a knowledge test are compared for two groups of women in Exercise 7.63 (page 468). Compare the standard deviations using an F test. What do you conclude?
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Revisiting the cholesterol comparison
: Compare the standard deviations of total cholesterol in Exercise 7.61 (page 467). Give the test statistic, the degrees of freedom, and the P-value. Write a short summary of your analysis, including comments on the assumptions for the test.
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Calculate the actual error in the approximation
: Calculate the actual error in the approximation. What is the relative error when compared to actual volume of paint required?
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What should be the dimensions of each enclosure
: If he has 960 yards of fence, and if the sides along the river need no fence, what should be the dimensions of each enclosure if the total area is to be maximized?
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How much paint does john have total
: A patient must receive a total of 5.1/3 ml of a drug. If the drug must be administered in three equal doses, how much is each dose?
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Comparison of ldl levels for males and females
: In Exercise 7.62 (page 467), the LDL levels for males and females were compared using the two-sample t procedures that do not assume equal standard deviations.
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Find the dimensions for plot that would enclose most area
: If the fencing costs $14 per linear foot to install and the farmer is not willing to spend more than $7000, find the dimensions for the plot that would enclose the most area.
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Write and evaluate an integral for the total weight of water
: Consider a very thin ring of radius rk and centered at the center of the pond. Based on your result from part a., write and evaluate an integral for the total weight of water in the pond?
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Describe what specific leadership characteristics
: With this individual in mind, please describe what specific leadership characteristics, traits and values this person has that you believe makes him or her a successful leader
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