Compute the absolute risk reduction for a smoker compared to a non-smoker. Answer: % - % = percentage points

Q: An employee had accumulated 20 competency credits with the grade with B's, 10 credits with C's, and…

A: make a table as shown  grade grade points credits earned grade point×credit A 4 20 80 B 3 25…

Q: Determine the percent of data greater than z= - 2.20.

A:

Q: What is the requested percentage?

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Q: Among the people in the age class "18 - 24", what is the percentage of people who prefer "Soft…

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Q: Of 60 patients treated with a certain medication, 24 showed no improvement. What percent of patients…

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Q: Solve for the percentile of the following numbers. Then sketch its graph. 1. 30th 2. 52nd 3. 15th 4.…

A:

Q: The heights of a group of men averaged 69 inches and followed the normal curve. The 91st percentile…

A: Solution: Let X be the height of group of men. μ= 69 inches  Average height of men.  The 91st…

Q: To help consumers assess the risks they are taking, the Food and Drug Administration (FDA) publishes…

A: 16 State the hypotheses. That is, there is no evidence that the mean nicotine content exceeds 27.9…

Q: Make a table showing the approximate values and the actual value, together with the percentage error

A: xy'=12x-3y..................1Let x=e2z=logxdzdx=1xdydx=dydz·dzdx ⇒dydz·1xxdydx=dydzNow equation (1)…

Q: What percent of the data is below 31? What percent of the data is above 35? What percent of the data…

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Q: Given below is the pictogram of rainfall in Kochi in 2015. Find the percentage of days when the…

A: Given:

Q: what are the percentages of each individual fruit?

A: What are percentage of each individual

Q: Find the percentile that corresponds to a specific data value x by using the following formula.…

A:

Q: Kevin scored at the 60th percentile on a test given to 9920 students.How many students scored lower…

A: Given Kevin score = 60th percentile No. Of students = 9920

Q: Determine the following percentile X 0.95,16

A: From the given information, it is given that:n=16 and p=0.95

Q: 13. In solving for the 70th. percentile, the lower boundary to use is

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Q: A researcher reports an F-ratio with df = 3, 36 from an independent-measures research study. How…

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Q: The market shares of the top five firms In the dishware industry are 17%, 30%, 9%, 14%, and 6%. What…

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Q: A new bridge reduced the normal 35-minutes travel time between two cities by 14 minutes. What…

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Q: The sales force at a certain company successfully closed 92 out of 200 sales calls. What was their…

A:

Q: What would be an example of an exposure ratio threshold?

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Q: Determine whether the variables is qualitative or quantitative number of infants born in a month

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Q: Describe how each of the following variables can be measured using the nominal and ratio scale of…

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Q: The sales force at a certain company successfully closed 96 out 200 sales calls

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Q: Identify the following as nominal level, ordinal level, interval level, or ratio level data : "Ages…

A: Given :  "Ages (in years) of nursing students"

Q: Roxanne ranks 10th in a class of 40. Her percentile rank is

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Q: Use the data and the correct formula to find the margin of error for estimating a population…

A: Given: n = 100 x = 45 sample proportion = x / n = 45/100 =0.45 95% level of confidence  Level of…

Q: Approximately, what percent of the data is more than the third quartile? 25% 0% 50% 75%

A: what percent of the data is more than the third quartile

Q: The percentage of buyers who paid between $14,000 and $22,000 is %.

A: Let , X→N(μ=18000 , σ=2000) By  using 68-95-99.7 rule ,  We want to find the P(14000<X<22000)…

Q: Perform the calculations and determine the absolute and percent relative uncertainty. 7.8 (±0.3) –…

A:

Q: What percent of students preferred iced tea?

A: Total number of students = (840+390+830+510+430) = 3000 Number of students who preferred iced tea =…

Q: What is the percentage of households with an intensified waste management system (dark green)?

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Q: at is Mrs. Gonzales's cholesterol level?

A: Let , X→N(μ=240 mg/dL , σ=20 mg/dL) Our aim is to find Mrs. Gonzales's cholesterol level.

Q: Kevin scored at the 60th percentile on a test given to 9920 students. How many students scored lower…

A: Since Kevin scored 60th percentile, it means that Kevin's score is in the top 60 % of amongst the…

Q: What is the level of measurement for:  DEGREE  EDUCATION INCOME

A: Nominal: Nominal scales are used for labeling variables without any quantitative value.…

Q: At what glucose level cutoff would we identify 100 % of diabetics?

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Q: Estimate /2 - ī and V101 – V100. Compare your estimates with the actual values.

A: Let us consider the given function is f(x) = sqrt(x), Estimate these value:

Q: True or false, more than twice as many E1-rated games were sold as T-rated games?

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Q: The percentage of men who meet the height requirement is %.

A: Men's height are normally distributed with : Mean , µ = 68.7 Standard deviation , σ = 3.4

Q: What is the percentage of deaths that occurred in 2011?

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Q: A study was undertaken to see how accurate food labeling for calories on food considered as…

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Q: What are the three levels of measurement?

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Q: What is Gradation? What is Effective size? answer in 4 sentence only

A: 1. The particle size distribution of the coarse aggregate is termed as “Gradation”.

Q: The sales force at a certain company successfully closed 94 out of 200 sales calls. What was their…

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Q: Please state your opinions based upon what you have learned from the book. If you had $1,000 in…

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Q: On a recent Washington to London flight with 300 passengers, it was found that 100 passengers were…

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Q: Marshall took the SAT ( μ=1010,σ=200) and had a raw score of 950. What was his z-score? What was…

A: Given data,  μ=1010 σ=200 Raw score X=950