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

Identify interaction between estimators and jobs, Q1.(i) The logistics depa...

Q1.(i) The logistics department of a large firm employs three "estimators" whose job it is to decide the likely cost of delivering their products to their customers.  This enables

What is the probability, Suppose the entire cola industry produces only two...

Suppose the entire cola industry produces only two colas viz., Pepsi and Coke.  Given that a person last purchased Pepsi, there is 90% that his next purchase will be Pepsi.  Given

AMORTIZATION , AMORTIZATION The slow decrease or liquidation of an quantit...

AMORTIZATION The slow decrease or liquidation of an quantity over a time interval according to a specified program (such as, the pension of a debts by sequential repayments to the

Cost accounting, wat is cost accounting and wats its scope ?

wat is cost accounting and wats its scope ?

Hitorigram, what is difference between histogram and historigram

what is difference between histogram and historigram

Probability, Mike sells on the average 15 newspapers per week (Monday – Fri...

Mike sells on the average 15 newspapers per week (Monday – Friday). Find the probability that 2.1 In a given week he will sell all the newspapers

Functions of statistics .., Mention four characteristics and functions of s...

Mention four characteristics and functions of statistics

Normal distribution, In a mathematics examination the average grade was 82 ...

In a mathematics examination the average grade was 82 and the standard deviation was 5. all students with grade from 88 to 94 received grade of B. if the grade are approximately no

Profit and loss accounting, what does it mean by sales less of goods sold a...

what does it mean by sales less of goods sold and cost less of goods sold

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