A production process produces an item. On average 15% of all items produced are defective. Each item is inspected before being shipped and the inspector misclassifies an item 10% of the time. What proportion of the items will be classified as good? What is the probability that the person is a female given that the […]
In order to estimate the mean amount of time computer users spend on the internet each month, how many computer users must be surveyed in order to be 95%confident that your sample mean is within 12minutes of the population mean? Assume that the standard deviation of the population of monthly time spent on the internet […]
A researcher plans to compare two treatment conditions by measuring one sample in treatment 1 and a second sample in treatment 2. The researcher will then compare the scores for the two treatments. If there is a difference between the two groups of scores?a. Briefly explain how the difference may have been caused by the […]
-Perform certain calculations discussed in the assigned reading in order to derive an answer for each problem. -Use Microsoft Excel to complete each problem and submit a single Excel spreadsheet that contains a separate worksheet (i.e., separate tab) for each problem. -Have each worksheet be clearly labeled to identify the associated problem. -To show all […]
I’m currently taking Math 302 statistics with APU/AMU, and I’m not doing so well, does anyone have any good study material for the final exam?
A young investment manager tells his client that the probability of making a positive return with his suggested portfolio is 95%. If it is known that returns are normally distributed with a mean of 5.8%, what is the risk, measured by standard deviation, that this investment manager assumes in his calculation? Use Table 1. (Round “z” […]
A department store made a study of personal checks it received for payment of goods. It discovered that 40% of all bad checks had the wrong date on them, while only 2% of all good checks had the wrong date on them. It also found that 0.5% of all checks received had insufficient funds to cover them. A […]
If sale of bread and sale of jelly then sale of peanut butter is 80 % is an example of: Select one: a. Decision Rule b. Sales Rule c. Association Rule d. Analysis Rule
12.Fix-It Copiers advertises a mean time of 100 minutes for office calls with a standard deviation of 25 minutes. What percentage of calls are completed:a.between 100 and 120 minutes?b.in less than 120 minutes?c.in less than 60 minutes?d.between 120 and 150 minutes?
