normal distribution, Basic Statistics

Assignment Help:

Lifts usually have signs indicating their maximum capacity. Consider a sign in a lift that reads “maximum capacity 1400kg or 20 persons”. Suppose that the weights of lift-users are normally distributed with a mean of 65kg and a standard deviation of 10kg.

(a) What is the probability that a lift-user will weigh more than 70kg?

(b) What is the probability that a lift-user will weigh between 60 and 75kg?

(c) What is the probability that 20 people will exceed the weight limit of 1400kg?

(d) What is the probability that 25 people will not exceed the weight limit (Use Excel to
calculate probability to 6 decimal places)?

Related Discussions:- normal distribution

Determine the tax implications, Your firm purchased a line of computer equi...

Your firm purchased a line of computer equipment for $1.5M four years ago. It is assigned a CCA rate of 20% and the firm has a tax rate of 35%. At the end of this year (year 4 for

Measures of central tendency, List down various measures of central tendenc...

List down various measures of central tendency and explain the difference between them?

How to choose a sample, Q. How to Choose a Sample? The way a sample is ...

Q. How to Choose a Sample? The way a sample is chosen is extremely important in all statistical studies. This is because, ultimately, all the inferences will be based on the s

Assignment , assume that your group is incorporating a business organizatio...

assume that your group is incorporating a business organization. you are required to present a detailed structure, business environment and organizational structure of the entity.

BUSINESS FORECASTING., a) What is analysis of variance? What are the assump...

a) What is analysis of variance? What are the assumptions of this technique? b) Three samples below have been obtained from normal populations with equal variances. Test the hypoth

Treatment of cst and vat, Treatment of CST and VAT in Sales Book A suppl...

Treatment of CST and VAT in Sales Book A supplier who expenses the CST for inter declares purchase by him, is responsible to first deposit the gathered CST from bought to Got Co

Difference, difference b/w historigrams & histogram?

difference b/w historigrams & histogram?

Basic accounting, Give certain creative assignment for freshers of accounti...

Give certain creative assignment for freshers of accounting

Truss, state the condition followed by dimple truss.

state the condition followed by dimple truss.

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd