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For the Airline Pricing Model in Chapter 9, suppose that the fixed cost is triangular with a minimum of $80,000, most likely value of $90,000, and maximum value of $95,000. Also assume that the values of the slope and intercept in the demand function are uniformly distributed plus or minus 5% around their current values. Find the distribution of profit for a unit price of $500. Use the Decision Table tool to find the best price between $400 and $600 in steps of $25.
Choose the correct conclusion regarding the claim that the weights of statistics text vary more than the weights of text in general.
Standardize the value according to the given average and SD - unstandardize the value according to the given average and SD
Lab technicians at a major mdical lab can process an average of 400 blood samples a day with a standard deviation of 50 samples. The processing follows a normal distribution.
A certain type of lightbulb has an average life of 500 hours with a standard deviation of 100 hours. The length of life of the bulb can be closely approximated by a normal curve.
Then test to see whether it considerably varies from 0 [use alpha = 5%]. Don't forget to identify the null and alternative hypotheses.
If it is determined that there is no difference between the population mean being represented by the sample and the mean of the population at large, then:
What percentage of bags will weigh more than 16.4 ounces? What percentate of bags will weigh less than 15.92 ounces
We wish to determine whether the homicide rate is different in different parts of the country and, if it is different, what is the pattern. We have data on 36 states - 9 each in the four regions Northeast, Midwest, South and West.
Could you please show me how you computed the two critical values to (2.18, 17.83) ? Which formula you used ?
Many investigaters have studied the relationship between asbestos exposure and death from chronic obstructive pulmonary disease (COPD)
For each problem, compute a Welch F-statistic and determine whether or not significant differences exist among the treatment conditions.
A random sample of 56 people measured accuracy w/ positive errors representing watches that are ahead of the correct time and negative rep. those behind the time.
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