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 […]
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?
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
