Find the middle range for the age of magazines subscribers

Reference no: EM13912358

Mogul magazine has recently completed an analysis of its customer base. It has determined that 75% of the issues sold each month are subscriptions and the other 25% are sold at newsstands. It has also determined that the ages of its subscribers are normally distributed with a mean of 44.5 and a standard deviation of 7.42 years, whereas the ages of its newsstand customers are normally distributed with a mean of 36.1 and a standard deviation of 8.20 years

(a) Find the middle 80% range (i.e. range that is symmetrical about the mean) for the age of its subscribers.rs.

(b) What proportion of Mogul's newsstand customers have ages in the range computed above?

Reference no: EM13912358

Questions Cloud

Financial income of truttman company : The pretax financial income of Truttman Company differs from its taxable income throughout each of 4 years as follow

Briefly discuss the concept of mode mean median : Briefly discuss the concept of mode, mean, median. What is it? How is it calculated? When would we use each one? Find the median birth weight in grams. Provide an interpretation of your results

What is the theory of probability : Discuss probability. What is its history? What is the theory of probability? How is it calculated? What are the advantages and disadvantages of using this technique

Kayaks and motors : Shore Co sells two products, Kayaks and Motors- Last year Shore sold 12,600 units of Kayaks and 23,400 units of Motors. Related data are

Find the middle range for the age of magazines subscribers : Find the middle 80% range (i.e. range that is symmetrical about the mean) for the age of its subscribers.rs. What proportion of Mogul's newsstand customers have ages in the range computed above?

Evolutionary biology : Hawk-Dove: The following game has been widely used in evolutionary biology to understand how fighting and display strategies by animals could coexist in a population. Describe this game in a matrix.Assume that v = 10, k = 6, and d = 4. What outcomes ..

What are two key elements of the financial planning process? : What are two key elements of the financial planning process?

Selected balance sheet accounts for tibbetts company : Effect of transactions on liquidity measures. Selected balance sheet accounts for Tibbetts Company on September 30, 2013, are as follows:

Analyze the survey sample you have selected for your group : Analyze the survey sample you have selected for your group. The best way to do this will be to convene a meeting every week and discuss how you could apply analytical techniques covered in your classes so far on survey data.

User Account

All Pages