Question: Standard deviation question: Studies show an XBox controller has an average lifetime of 1,500 days.Assume the lifetimes are normally distributed with a standard deviation of

Standard deviation question: Studies show an XBox controller has an average lifetime of 1,500 days.Assume the lifetimes are normally distributed with a standard deviation of 325 days.

A: Find the percentage of controllers that will fail during their first 895 days of use.

B: Find the percentage of controllers that will fail within 225 days of their average lifetime. (NOT the first 225 days!)

C:At what number of days should the lifetime warranty be set so that fewer than 3.5% of the controllers must be replaced under warranty?

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

Answer these questions in order QUESTION 1 Two six-sided dice are rolled. What is the probability of one of the dice being a 4? o a. , or 25% ob. , or about 33.3%% o c. . or about 16.7% 11 od. 36 ,...

principles of finance questions attached along with a supplement for the questions INT'L BUS. MACH. NYSE-IBM TIMELINESS SAFETY TECHNICAL 2 1 3 High: Low: Raised 8/2/13 126.4 54.0 RECENT PRICE 94.5...

5A Total Marks = 88 Please show all your work. Some questions require you to use graphs, tree diagrams, formulas, and so on that are difficult or impossible to reproduce in word-processing programs,...

Assignment 5A Total Marks = 88 Please show all your work. Some questions require you to use graphs, tree diagrams, formulas, and so on that are difficult or impossible to reproduce in word-processing...

Case Study Analysis Company X is a manufacturer of AA batteries. Consider lifetimes (in hours) of AA batteries when put in constant use, i.e., keeping flashlight on till the battery dies. Recently,...

Case Study Analysis Company X is a manufacturer of AA batteries. Consider lifetimes (in hours) of AA batteries when put in constant use, i.e., keeping flashlight 'on' till the battery dies. Recently,...

Company X is a manufacturer of AA batteries. Consider lifetimes (in hours) of AA batteries when put in constant use, i.e., keeping flashlight on till the battery dies. Recently, with advancement in...

MGMT *3020 (Management) Corporate Social Responsibility Watch Michael Porter talk about how business can be good at solving social problems. Explain why you agree or disagree with Porters opinion...

At the various sales levels shown, Hobb Company incurred the following costs: Required Identify each of these costs as fixed, variable, ormixed. Units Sold 50 100 150 200 250 a. Cost per unit of...

ANSWER If a company has advance ticket sales totaling $2,000,000 for the upcoming football season, the journal entry to record the receipt of cash would consist of a: Multiple Choice O Debit Sales,...

A company issues 1,050 shares of its common stock for $33,600 cash. Prepare journal entries to record this event under each of the following separate situations.