In a recent year, the better business bureau settled 75% of complaints they received. (source: usa today, march 2, 2009) you have been hired by the bureau to investigate complaints this year involving computer stores. you plan to select a random sample of complaints to estimate the proportion of complaints the bureau is able to settle. assume the population proportion of complaints settled for the computer stores is the 0.75, as mentioned above. suppose your sample size is 117. what is the probability that the sample proportion will be at least 3 percent more than the population proportion?

What is the greater volume 72 quarts or 23 gallons

It appears that people who are mildly obese are less active than leaner people. one study looked at the average number of minutes per day that people spend standing or walking. among mildly obese people, the mean number of minutes of daily activity (standing or walking) is approximately normally distributed with mean 376 minutes and standard deviation 64 minutes. the mean number of minutes of daily activity for lean people is approximately normally distributed with mean 528 minutes and standard deviation 107 minutes. a researcher records the minutes of activity for an srs of 7 mildly obese people and an srs of 7 lean people. use z-scores rounded to two decimal places to answer the following: what is the probability (image for it appears that people who are mildly obese are less active than leaner people. one study looked at the averag0.0001) that the mean number of minutes of daily activity of the 6 mildly obese people exceeds 420 minutes? what is the probability (image for it appears that people who are mildly obese are less active than leaner people. one study looked at the averag0.0001) that the mean number of minutes of daily activity of the 6 lean people exceeds 420 minutes?

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