How large an srs of scores must you choose

Reference no: EM13201806

Suppose that scores of men aged 21 to 25 years on the quantitative part of the National Assessment of Educational Progress (NAEP) test follow a normal distribution with standard deviation s = 60. You want to estimate the mean score within 10 points with 90% confidence. How large an SRS of scores must you choose?

Reference no: EM13201806

Questions Cloud

Which socioeconomic group is likely to benefit the most : Explain the positive benefits and negative aspects, respectively, of HMO managed care from the provider's point of view-a physician and a healthcare facility-and from a patient's point of view. Which socioeconomic group is likely to benefit the mos..

At what rate is the total area of the disturbed water change : When the total area of the disturbed water is square feet, at what rate is the total area of the disturbed water changing?

What is the 98% confidence interval of the mean : A sample of the TBU scores of 50 people revealed a mean score of 330 with a standard deviation of 45. What is the 98% confidence interval of the mean, m, of these people? TBU scores distribute normally.

Significant health benefits such as reducing risk of cancer : What substances, present in fruits and vegetables, provide significant health benefits such as reducing the risk of cancer?

How large an srs of scores must you choose : You want to estimate the mean score within 10 points with 90% confidence. How large an SRS of scores must you choose?

What is the projects apv in the cases : Calculate the weighted-average cost of capital (WACC) for Federated Junkyards of America and what is the project's APV in the cases

What rent should the manager charge to maximize revenue : Similarly, one additional unit will be occupied for each 9 dollar decrease in rent. What rent should the manager charge to maximize revenue.

Increase the target person’s perception : Which tactic is most likely to increase the target person’s perception that a request or proposal is important for the team or organization

How budget constraint in a two-period model is affected : Describe how the budget constraint of a household in a two-period model is affected by each of the following changes. In Each Case, do you think the household is better off, or worse off, or is it ambiguous If ambiguous.

User Account

All Pages