Mathematics. How Do I Calculate The Longest Warranty Period That A Company Should Offer To Satisfy These Requirements?
Mathematics. A Paint Company Wishes To Demonstrate The Quality Of Its Product By Extending A Money-back Guarantee If The Paint Fails Before A Given Pe
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Mathematics : How Do I Calculate The Longest Warranty Period That A Company Should Offer To Satisfy These Requirements
A paint company wishes to demonstrate the quality of its product by extending a money-back guarantee if the paint fails before a given period of time. The testing laboratory makes extensive measurements on the lifetime of the paint film under various conditions. It is found that the average lifetime of the paint is 630 days. The standard deviation of the measurements is 52 days. To be able to offer the guarantee, the company cannot afford to have more than % of its customers be eligible for a refund. What is the longest warranty period which the company should offer to satisfy these requirements. Assume the average and standard deviation refer to an infinite set of measurements with a normal distribution and that 1s corresponds to 68% confidence, 2s corresponds to 95% confidence, and 3s corresponds to 99% confidence. ~~~ krstilyzed ~~~
Mathematics : How Do You Right A Algorithm For Finding The Area And Perimeter Of A Triangle
How do you right a correct algorithm for finding the area and perimeter of a triangle? Please Help! ~~~ akademics06 ~~~
Mathematics : What Happens When An Entire Distribution Is Transformed Into Z Scores
A positively skewed population has a mean of 80 and a standard deviation of 12. If the entire distribution is transformed into z scores, what will the mean, standard deviation, and shape be? ~~~ statsdummy ~~~
Mathematics : What Does The Skewness Of A Box Plot Show As Far As Your Hypothesis Is Concerned
I'm carrying out an investigation to prove that tall people weigh more than shorter people. I have split my sample into 2 groups - tall and short students. I've drawn 2 box-and-whisker diagrams on the same axis -one for weights of short students, and another for weights of tall students. The one for tall students is positively skewed and the one for shorter students is negatively skewed. How does this support my hypothesis? I know it's a stupid question but for some reason i'm confused! ~~~ Vartan B ~~~
Mathematics : How Do You Find The Equation Of The Hyperbola Given The Length Of The Latus Rectum And The Eccentricity
The Length of the latus rectum is the square root of two and the eccentricty is 4. Any suggestions on how to solve it? ~~~ Scarlet Mist ~~~
Mathematics : What Is The Formula To Calculate The Mean From Only The Percentile And Its Value
For instance I have an 85 percentile value of 33. What is the mean? ~~~ Night Student ~~~
Mathematics : How Do You Enter Limits In A Graphing Calculator
I was wondering how to enter limits into the calculator. I have the TI-84 Silver edition. ~~~ matt43571 ~~~
Mathematics : How Long After They Start Filling The Tanks Do The Tanks Have The Same Volume Of Water
Jake fills a tank that can hold 200 gallons of water. The tank already has 50 gallons of water in it when Jake starts filling it at the rate of 10 gallons per minute. Karla fills a tank that can hold 300 gallons of water. That tank already has 100 gallons of water in it when Karla starts filling it at the rate of 5 gallons per minute. Jake and Karla start filling the tanks at the same time. What is that volume of water? ~~~ md_free23 ~~~
Mathematics : What Is The Mean And Std Dev Of The Minimum Of 6 Random Variables Having A Normal Distribution
Let's say the average height of people is 150cm, with a std dev of 20cm, and their heights are normally distributed. Now if I group these people randomly in groups of 6 people, and I just take the height of the shortest person in each group. What is the mean and std dev of these shortest people? ~~~ peaceharris ~~~
Mathematics : How To Find The Radius From The Total Volume And Height
I need some help with homework. I've been given 47 as the total volume and 3 as the radius. How do I find the height? The shape is a cone. ~~~ kasumi_satoshi ~~~
Mathematics : How Many Yottabytes Does It Take To Reach A Googol Bytes
I'm wondering if there really is a googol of anything in the world. A living animal has 600YB of information in its DNA, and there's a lot of people and animals in the world. If you don't think so just answer the question. Don't believe me? Read the whole thing. Brontobytes are not real: Fixed: ~~~ Crad010 ~~~
Mathematics : What Is The Relationship Between The Slopes Of Perpendicular Lines
When you answer this please show the answer using both slope formulas. ~~~ BigB ~~~
Mathematics : How Do I Solve Polynomials Using The Vertical Format If The Terms Are Not Lined Up
The equation is (8y^2 + 2) + (5 - 3y^2) . Could you show me step by step how to do it? Thanks! ~~~ Grandma Rose ~~~
Mathematics : What Direction Is The Pilot Flying And What Is The Speed Relative To The Ground
A pilot is flying at an air speed of 241 mph in a wind blowing mph from the east. In what direction must the pilot head in order to fly due north?(Round to the nearest tenth degree with a direction E or W from north) What is the pilot's speed relative to the ground? I guess it has to do with reslutants?? Thanks for any guidance and answers. ~~~ mdetaos ~~~
Mathematics : What Fractional Part Of A Pair Of The Batteries Is Still Operating After 150 Hours Of Use
Statistics show that the fractional part of a pair of flashlight batteries,P, that is still good after t hours of use is given by p=4^-. What fractional part of the batteries is still operating after 150 hours of use? Enter answer as a fraction ,or as a decimal rounded to 6 decimal places. ~~~ babriette r ~~~
Mathematics : What Does It Mean When A Function Converges Or Diverges
In calculus. What's it mean if it converges or diverges? And how can I find out how to find which a function is doing? Thanks! ~~~ Brian H ~~~
Mathematics : What Is The Difference Between Implicit Differentiation And Partial Derivatives
and is this true: "partial derivatives"="partial differentiation"? ~~~ . ~~~
Mathematics : How Fast Is The Distance From The Boat To The Lighthouse Increasing One Hour Later
At noon a boast is 15 miles due north of a lighthouse. The boat is moving east at 20 miles per hour. ~~~ KDP25 ~~~
Mathematics : What Was The Total Volume Of The Egg In Cubic Centimetres
It was a perfect sphere. You placed it in a tub of water and found that it displaced exactly 280,000 cubic centimetres. However, it was floating on the water, and only 72% of the surface area of the egg was below the water line. ~~~ Bryan G ~~~
Mathematics : What Is The Difference Between A Real Zero And A Rational Zero
Real zeros are not imaginary and rational zeros are what? How do they relate? ~~~ megashock21 ~~~
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