Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

Problems based on Normal Distribution

The time required to complete a final examination in a particular college course is normally distributed with a mean of 80 minutes and a standard deviation of 10 times. Answer the following problems.

a. What is the possibility of completing the exam in one hour or less?

b. What is the possibility that a student will complete the exam in more than 60 minutes but less than 75 minutes?

c. suppose that the class has 60 students and that the examination period is 90 minutes in length. How many students do you expect would be unable to complete the exam in the allotted time?

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M918057

Have any Question? 


Related Questions in Statistics and Probability

1 does the average iq for residents of a state vary with

1. Does the average IQ for residents of a state vary with the amount that the state spends on education? Seven of the 50 U.S. states were randomly selected. The amount that each spent per student (in thousands of dollars ...

1 why does quasi-experimentation sometimes require the use

1. Why does quasi-experimentation sometimes require the use of "patched-up" designs? 2. Discuss the philosophy of critical multiplism as it applies to quasi-experimental research.

1 under what conditions is the median a more meaningful

1. Under what conditions is the median a more meaningful measure of central tendency than the mean? 2. Why do researchers prefer the standard deviation as a measure of variability over the range?

Imagine that the equation for predicting y from x is y 112

Imagine that the equation for predicting y from x is y = 1.12 - .47x. How would you use this equation to predict a particular individual's score?

St augustine and socrates both acknowledge that the perfect

St. Augustine and Socrates both acknowledge that the perfect city cannot exist in this world. For each of them, what is it about the nature of human beings and of political life that makes this impossible?

Designing and writing a report on a statistical study of

Designing and Writing a Report on a Statistical Study of Your Own Select a question of your own to investigate using one of the hypothesis tests studied in this class.  Explain why you chose the particular question to in ...

1 do outliers increase or decrease the magnitude of

1. Do outliers increase or decrease the magnitude of correlation coefficients? 2. What impact does reliability have on correlation? 3. Why can't we infer causality from correlation?

1 what are the advantages and disadvantages of using

1. What are the advantages and disadvantages of using narrative records in observational research? 2. Distinguish between a structured and unstructured observation method. 3. Distinguish between checklists and observatio ...

Simple takes about 25 minutes to answer in a study

Simple! (Takes about 25 minutes to answer.) In a study evaluating "Why minority males graduate American high-schools at lower rates than their counterparts", the following is needed: 1) Envisioned Quantitative Design 2) ...

1 all successful empires share certain characteristics what

1. All successful empires share certain characteristics. What are these characteristics and how do they relate to the rise of the Muslim empires? Put Islam in its historical context and explain how the Umayyad and Abbasi ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro