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2,542 runners who took part in a 10km race had an average time of 1 hr and 11 minutes. The standard deviation was 12 minutes. Using Chebysheff's theorem, determine at least how many runners had a running time between 53 minutes and 89 minutes?
What is the probability that a computer will fail within 12 months?- If the company gives a warranty period of 12 months, what proportion of computers will fail during the warranty period?
How transportation to work demographics can affect food producer's marketing? please provide me an example.
Women executives. A company is criticized because only 13 of 43 people in executive-level positions are women.
Use the value of rS to describe the relationship between days delayed and systolic blood pressure, which is related to stress.
Find out the best predicted household size given that the household discards 5.00 lb of plastic.
In a weekly lottery, each $1 ticket sold adds 50 cents to the jackpot that starts at $1 million before any tickets are sold. The jackpot is announced each morning to encourage people to play. On the morning of the ith day before the drawing, the c..
A manufacturing company must decide whether to manufacture a component part. The consulting profit is dependent upon the demand for the product. The following show the projected profit ( in thousands of dollars).
A regression analysis was carried out based on 7,016 observations of firms, aimed at assessing the factors that determine the level of a firm's leverage.
Compute a mean and standard deviation for each year and then describe the differences in expenditures for the five-year period.
Many people do not "like" or "trust" single point estimates for things they need measured. Looking back at the data examples you have provided in the previous discussion questions on this issue, how might adding confidence intervals help managers..
Create a stem-and-leaf plot for the male speeds.- Create a histogram for the male speeds.- Compare the pictures created in (a) and (b) and the dotplot in Case Study.
Among smokers, what percentage were pregnant after the first cycle?- Among nonsmokers, what percentage were pregnant after the first cycle?
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