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

Allowance for uncollectible , Allowance for uncollectible A contra-asset a...

Allowance for uncollectible A contra-asset assessment consideration used to indicate the part of a / r that is approximated to be uncollectible.

Pie diagram, A survey was conducted among the residents of Pune City, its s...

A survey was conducted among the residents of Pune City, its suburbs and the Pune Cantonment area. The following three pie diagrams show their respective preferences for living in

BALANCE SHEET , BALANCE SHEET A financial report that shows the resources,...

BALANCE SHEET A financial report that shows the resources, obligations, and stock of a business at a specified time frame in complying with usually recognized sales concepts (GAAP

Cost of accounting, what are different method of classifying overhead? indi...

what are different method of classifying overhead? indicate the advantag

Individual tax accounting, need help with exercise that asks to calculate g...

need help with exercise that asks to calculate gross income, adjusted gross income and taxable income based on items1-13, which i can submit the exercise copies as soon as you tell

Define payroll withholdings, Define Payroll Withholdings The U. S. earn...

Define Payroll Withholdings The U. S. earnings tax system-as well as most condition earnings tax systems-requires business employers to hold paycheck taxation from their staff'

Confidence interval, Ask quesA buffalo, your cola distributor is featuring ...

Ask quesA buffalo, your cola distributor is featuring a super-special sale on 12- packs. She wonders where in the grocery store to place the cola for maximum attention. Should it b

Circular motion, Circular motion  is termed as when an object experiences t...

Circular motion  is termed as when an object experiences the right amount of  net force which is  directed toward the center of the circle / curve. The net acceleration of an objec

DIFFARENCE , Differentiate between Historigrams and Histogram

Differentiate between Historigrams and Histogram

General insurance accounts preparation and Regulation of inv, X Ltd had 100...

X Ltd had 100000 9% redeemable preference shares of Rs.100 each full paid. The company decided to redeem these pref. shares at par by issue of sufficient number of equity shares of

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