What is the maximum height of the normal distribution

Assignment Help Mathematics

Reference no: EM13199014

The life span of television sets built by a particular manufacturer is normally distributed, with a mean of 10.2 years and a standard deviation of 1.7 years. The manufacturer will replace a television set if it breaks before the guarantee period is over.

a) If the manufacturer sets the length of the guarantee at 7 years, what proportion of the television sets will the manufacturer have to replace (Sentence)?

b) What is the maximum life span of the bottom 25% of television sets (Sentence)? What is the minimum life span of the top 25% of television sets (Sentence)? What name is given to the difference between these two values?

c) What is the maximum height of the normal distribution defined above? If you wanted to fit this normal distribution over the top of a histogram of a sample of 60 television sets with a class width of 2 years, what scaling factor would you use.

Reference no: EM13199014

Questions Cloud

Nonworking poor should not be treated better than lowest : Public Assistance is rooted in the 16th Century British system of "the nonworking poor should not be treated better than the lowest- wage earners."

Script a class implementation for a class : Write a class implementation for a class_my class that contains the data member ID of type integer and data member MSG of type string (to hold a simple description of any created object (local,global,static,automatic))then follow what come seriall..

State the dimensions of the rectangle : On notebook paper, construct a rectangle that covers more than half the area of the paper AND the ratio of the width and length simplifies to a rational number that is a close approximation of the "golden ratio". State the dimensions of the rectan..

Advantages do the o-scale system : What advantages do the O-Scale System and the Canadian Physical Activity, Fitness, and Lifestyle Approach—Healthy Body Composition Assessment procedure have in comparison to percentage body fat predictions from skinfold measurements, when used in ind..

What is the maximum height of the normal distribution : The life span of television sets built by a particular manufacturer is normally distributed, with a mean of 10.2 years and a standard deviation of 1.7 years. The manufacturer will replace a television set if it breaks before the guarantee period i..

When a government lifted price controls after the war-price : When a government lifted price controls after the war, prices

Compute the machinery depreciation schedule : Consider a 6500 piece of machinery, with a 5 year depreciable life and an estimated 1200 salvage value. The projected utilization of the machinery when it was purchased, and its actual production to date as follows.

Find the work done w in pulling the bucket to the top : but water leaks out of a hole in the bucket at a rate of 0.15 lb/s. Find the work done W in pulling the bucket to the top of the well.

Write a paragraph describing the trend : develop a paragraph describing the trend in U.S. foreign policy toward latin america between 1900 and 1917. be sure to include a thesis or main idea, three sentences of evidence in support of your main idea, and a statement showing

User Account

All Pages