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using the information in question 6 find the probability that the total time for all first accidents to occur is more
twenty percent of the students at a local community college live in within five miles of the campus thirty percent of
the actual population mean for the 100 heights given above is micro 634 using the class listing of confidence
divide this number by the total number of confidence intervals generated by the class to determine the percent of
suppose we had generated 100 confidence intervals what do you think would happen to the percent of confidence intervals
when we construct a 90 confidence interval we say that we are 90 confident that the true population mean lies within
some students think that a 90 confidence interval contains 90 of the data use the list of data given the heights of
explain why it does not make sense to count data values that lie in a confidence interval think about the random
suppose you obtained the heights of 10 women and calculated a confidence interval from this information without knowing
suppose that a recent article stated that the mean time spent in jail by a first-time convicted burglar is 25 years a
a quality control specialist for a restaurant chain takes a random sample of size 12 to check the amount of soda served
five hundred and eleven 511 homes in a certain southern california community are randomly surveyed to determine if they
suppose that a sample of 15 randomly chosen people were put on a special weight loss diet the amount of weight lost in
stanford university conducted a study of whether running is healthy for men and women over age 50 during the first
in a recent sample of 84 used cars sales costs the sample mean was 6425 with a standard deviation of 3156 assume the
a telephone poll of 1000 adult americans was reported in an issue of time magazine one of the questions asked was what
refer to the above problem another question in the poll was how much are you worried about the quality of education in
six different national brands of chocolate chip cookies were randomly selected at the supermarket the grams of fat per
using the same p and level of confidence suppose that n were increased to 100 would the error bound become larger or