Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

Probability using normal distribution.

An accounting firm is planning for the next tax preparation season. From last year's returns, the firm collects a systematic random sample of 100 filings. The 100 filings showed the average preparation time of 90 minutes with a standard deviation of 140 minutes.

1. The intelligence Quotient test scores normally distributed with a mean of 100 and a standard deviation of 15. What is the possibility that a person would score 130 or more on the test?

2. What is the probability that a person would score between 85 and 115?

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M919867

Have any Question? 


Related Questions in Statistics and Probability

1 what are the most common causes of missing data and what

1. What are the most common causes of missing data, and what difficulties do missing data cause? What can be done if data are missing? 2. Comment on the circumstances under which a researcher would consider deleting one ...

Construct an aumann model of incomplete information for

Construct an Aumann model of incomplete information for each of the following situations, and specify a state of the world in that model which corresponds to the situation (there are several possible ways of including hi ...

Case study mikhail gorbachevs 1988 un speechif the pace of

Case Study: Mikhail Gorbachev's 1988 UN SpeechIf the pace of improving US-Soviet relations seemed rapid, Mikhail Gorbachev's speech to the United Nations General Assembly would shift the process into overdrive.  In this ...

Develop a research question that addresses one of the

Develop a research question that addresses one of the unknowns in the question: Positive interactions between the CEO and board members lead to enhanced and better performance of the Corporation . Address the following 1 ...

Assignment- data description collection and sampling1a

Assignment- Data: Description, Collection, and Sampling 1. A study was conducted of the 12-month earnings per share for two categories of airline companies, with the result shown in the chart below. Based on the data, wh ...

Write a two-to three-page short paper 10 percent of your

Write a two-to three-page short paper (10 percent of your total grade) comparing and contrasting the presentation of a historical event by two different historians. Historians do not only provide accounts of events (them ...

Prove that if player i believes at the state of the world

Prove that if player i believes at the state of the world ω that the state of the world is consistent, then he believes that every player believes that the state of the world is consistent. Deduce that in this case playe ...

1 show by example that if a and b are two matchings not

1. Show by example that if A and B are two matchings (not necessarily stable), then A ∨w B is not necessarily a matching. 2. Prove that when the partial ordering over the set of stable matchings is , the minimum of the s ...

Imagine you obtained a point biserial correlation of 35

Imagine you obtained a point biserial correlation of .35 between gender and punctuality, showing that men arrived later to class than did women. You think that this correlation might be due to the fact that more women th ...

The average batter life of the iphone 4s is reported to be

The average batter life of the iPhone 4S is reported to be 6.0 hours by Apple. Assume that the population standard deviation for the better life for this cell phone is 30 minutes. A random sample of 50 iPhones had an ave ...

  • 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