Calculus and Above

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I am looking for assistance with estimating a population
I am looking for assistance with estimating a population mean with a given sample mean. This can be done using either the mean employee age or the mean number of years employed (whichever makes the mo… read more
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11. A human resource manager for a large company takes a
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Math A door delivery florist wishes to estimate the
mathA door delivery florist wishes to estimate the proportion of people in his city that will purchase his flowers. Suppose the true proportion is 0.07.If 259 are sampled, what is the probability that… read more
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A toy manufacturer wants to know how many new toys children
A toy manufacturer wants to know how many new toys children buy each year. Assume a previous study found the standard deviation to be 1.5. She thinks the mean is 6.9 toys per year. What is the minimum… read more
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A toy manufacturer wants to know how many new toys children
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What is the average age of the students who are currently
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Use the given information to find the minimum sample size
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A newspaper reporter wants to estimate the mean age of all
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A newspaper reporter wants to estimate the mean age of all
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A fashion designer wants to know how many new dresses women
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In a study of government financial aid for college​
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How many women must be randomly selected to estimate the
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You answered similar questions previously but the data has
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For questions needing a probability table, please use the table
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A researcher is interested in studying peoples mean age in
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16. In a survey of 630 males ages 18-64, 391 say they have
16. In a survey of 630 males ages 18-64, 391 say they have gone to the dentist in the past year. Construct 90% and 95% confidence intervals for the population proportion. Interpret the results and com… read more
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A 95% confidence interval of 15.9 months to 50.5 months has
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1.Assume that the weight loss for the first month of a diet
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