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Question: Your instructor will record the heights of both men and women in your class, separately. Draw histograms of your data. Then draw a smooth curve through each histogram. Is each curve somewhat bell-shaped? Do you think that if you had recorded 200 data values for men and 200 for women that the curves would look bell-shaped? Calculate the mean for each data set. Write the means on the x-axis of the appropriate graph below the peak. Shade the approximate area that represents the probability that one randomly chosen male is taller than 72 inches. Shade the approximate area that represents the probability that one randomly chosen female is shorter than 60 inches. If the total area under each curve is one, does either probability appear to be more than 0.5?
a engineer is going to redesign an ejection seat for an airplane. the seat was designed for pilots weighing between 120
Describe specific quantitative methods and tools that could be used within your discipline to gather data. Include your rationale. Evaluate their effectiveness with respect to certain areas within your discipline.
Calculate the probability that the average number of minutes that diners spend at their table for dinner will be less than 100 minutes.
a. Select the variable Sales. Develop a frequency distribution and histogram for Sales. b. Compute the mean, median, and standard deviation for the Sales variable. c. Determine the interquartile range for the Sales variable.
10 cobalts are ramdomly selected and the miles per gallon for each car are recorded. What is the probability that the mean miles per gallon exceeds 34 miles per gallon?
Fruit flies. The length of the thorax in a population of male fruit flies is approximately Normal with mean 0.800 millimeters (mm) and standard deviation 0.078 mm. Use the 68-95-99.7 rule to answer the following questions. (Start by making a sket..
Discuss in groups and comment on the statement that if managers learned how to conduct research by taking a course such as this there would no need to seek outside consultant help to solve their problems.
What is the probabillity that in a random sample of 1,200 undergraduate business students, 336 or more will major in accounting?
Cough-a-Lot children's cough syrup is supposed to contain 6 ounces of medicine per bottle. However since the filling machine is not always precise, there can be variation from bottle to bottle. The amounts in the bottles are normally distribut..
assume that the heights of men are normally distributed with a mean of 68.7 inches and a standard deviation of 2.1
q1. a market researcher wants to test to determine if families of four in city a spend less per week on average than
Barron’s reported that the average number of weeks an individual is unemployed is 17.5 weeks (Barron’s, February 18, 2008). Assume that for the population of all unemployed individuals the population mean length of unemployment is 17.5 weeks and that..
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