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

Asked in genpact interview, Expenses a/c. Dr. To vendor a/c. Cr. What is a...

Expenses a/c. Dr. To vendor a/c. Cr. What is an impact of this transaction on business

Actual velocity, A boat is heading across a river at a velocity of 25 mph. ...

A boat is heading across a river at a velocity of 25 mph. The river is flowing downstream at 10 mph. What is the actual velocity of the boat?

Determine the local luminance, 1. Consider a room 3 m x 3m x 3m with one fa...

1. Consider a room 3 m x 3m x 3m with one façade made of glazing with diffuse transmittance 0.6 and reflectance 0.2. The interior surfaces have a reflectance of 0.5. Consider incid

10-k report information, Where are Cash Equivalents and Marketable Securiti...

Where are Cash Equivalents and Marketable Securities noted on a 10-K report? What needs to be included as a minimum disclosure?

Definition of management accounting, Definition of Management Accounting ...

Definition of Management Accounting According to the Chartered Institution of Control Agency (CIMA), Control Sales is "the procedure of recognition, statistic, build up, researc

Business law, LAW 2003 Assignment 1 (Winter 2012) 1. Brief the following c...

LAW 2003 Assignment 1 (Winter 2012) 1. Brief the following case: Ragoonanan v. Imperial Tobacco (from pages 587 to 595 of the Ontario Reports) on the document attached online. It’

Correlation analysis and coefficient, Individual Music scores Mathematics s...

Individual Music scores Mathematics scores Angela 2 8 Arthur 6 3 Peter 4 9 Mike 5 7 Barbara 7 2 Jane 7 3 Jean 2 9 Ruth 3 8 Alan 5 6 Theresa 4 7 Assess the data using a Correlation

Explain what is signal reliability ration, A. If CD players are able to use...

A. If CD players are able to use the LDD strategy better than pure chance then explain what happens to the signal reliability ration as a CD player detects more cautiously B. As

Mineral water factory., what is the point that i have to konow about the co...

what is the point that i have to konow about the cost accounting inorder to eneter in job

Study guide, Answers & examples of accounting for the follow on the file be...

Answers & examples of accounting for the follow on the file being sent to you.

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