Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

Estimating Probability value using Binomial and Normal Distribution.

1) It has been estimated that 30 percent of all farms are family-owned. In a sample of 12 farms, what is the probability that accurately three farms are family owned?

2) The length of time it takes to be seated at a local restaurant on Friday night is normally distributed with a mean of 15 minutes and a standard deviation of 4.75. What is the likelihood that you have to wait more than 20 minutes to be seated?

3) The time it takes to assemble an electronic component is normally distributed with a mean of 17.2 minutes and a standard deviation of 3.1 minutes. The probability is 95% that it will take as a minimum how long to assemble a component?

4) The number of students using the atm on campus daily is normally distributed with a mean of 237.6 and a standard deviation of 26.3. For a random sample 55 days, what is the likelihood that atm usage averaged more than 230 students per day?

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M919721

Have any Question? 


Related Questions in Statistics and Probability

In this exercise we prove a generalization of brouwers

In this exercise, we prove a generalization of Brouwer's Fixed Point Theorem to compact sets that are not necessarily convex, but are homeomorphic to a convex set. Two compact sets X and Y in R n  are called homeomorphic ...

Data show that narcissistic people who have a grandiose

Data show that narcissistic people (who have a grandiose, inflated perception of themselves) often fly into a "narcissistic rage" when things don't go their way. (In other words, they throw a temper tantrum.) A resea ...

The course text notes that tensions and differences in the

The course text notes that tensions and differences in the 1770s led to the American Revolution that eventually produced independence for the United States from Great Britain. When the War for American Independence broke ...

An employer interviews 9 people for 6 computer programming

An employer interviews 9 people for 6 computer programming positions in a company, and 4 of the 9 people are men. If all 9 are qualified, in how many ways can the employer fill the computer programming positions if exact ...

The centers for disease control and prevention released a

The Centers for Disease Control and Prevention released a report in 1998 that attributed part of the increase in youth smoking in the 1980s to the use of the cartoon character, Joe Camel, in cigarette advertising. Using ...

A simple random sample of 120 men results in a mean of 80

A simple random sample of 120 men results in a mean of 80 beats per minute, and a standard deviation of 11 beats per minute. Based on the sample results, the researcher concludes that the pulse rates of men have a standa ...

Satistics project come up with a survey pick a population

Statistics Project: Come up with a survey: Pick a population Come up with 4 variablesà 2 Quantitative & 2 Qualitative (make up numbers) Pick 50 data points for each variable, make a table on excel, use a scatter plot gra ...

1 why can it be argued that the formula for calculating r

1. Why can it be argued that the formula for calculating r should be named the Edgeworth, rather than the Pearson, correlation coefficient? 2. Why may we not interpret or discuss a correlation coefficient that is not sta ...

Under what conditions is a grouped frequency distribution

Under what conditions is a grouped frequency distribution more useful as a means of describing a set of scores than a simple frequency distribution? Why do researchers often add relative frequencies to their tables?

Scenario dr olson is interested in the effects of three

Scenario: Dr. Olson is interested in the effects of three different methods for losing weight in long-distance truck-drivers. He tested a sample of 60 truck drivers. Participants were randomly assigned to one of three gr ...

  • 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