Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

describe probability of belonging to different age groups.

The U.S. population by age is as shadows (world almanac 2004) the data are in millions of people

Age NUMBER

19 AND UNDER 80.5

20 to 24 19.0

25 to 34 39.9

34 to 44 45.2

45 to 54 37.7

55 to 64 24.3

65 and over 35.0

Presume that a person will be randomly chosen from this population.

1) What is the probability the person is 20 to 24 years old?

2) What is the probability the person is 20 to 34 years old?

3) What is the probability the person is 45 years or older?

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M920311

Have any Question? 


Related Questions in Statistics and Probability

Question to qualify for security officers training recruits

Question: To qualify for security officers training, recruits are tested for stress tolerance. The scores are normally distributed with a mean of 62 and a standard deviation of 8. If only the top 15% of recruits are sele ...

1 list as many sources of archival data as you can2 what

1. List as many sources of archival data as you can. 2. What four kinds of research questions are particularly suited for the use of archival data? 3. Describe how you would conduct a content analysis.

The department of education would like to determine if

The Department of Education would like to determine if there are gender differences in the performance of twins on the state mandated mathematics examination. As a result, they have collected data on twelve sets of twins ...

A buyer suspects that the factorys claimed life of mean is

A buyer suspects that the factory's claimed life of mean is 3000 hours for these light balls are too high. To check the claim, the factory tests 50 of these light balls and gets a mean lifetime of sample mean = 2988 hour ...

Electronic mail game let lgtmgt 0 be two positive real

Electronic Mail game Let L>M> 0 be two positive real numbers. Two players play a game in which the payoff function is one of the following two, depending on the value of the state of nature s, which may be 1 or 2: The pr ...

The university is attempting to set its staffing plan for

The University is attempting to set its staffing plan for the next several year, and it wants to determine if the distribution of students among various graduate majors has changed from the historical averages which were ...

There are 1000 students in a high school among the 1000

There are 1000 students in a high school. Among the 1000 students, 150 students take AP Statistics, and 300 students take AP French. 100 students take both AP courses. Let S be the event that a randomly selected student ...

What is the difference between the standard deviation

What is the difference between the standard deviation, standard error of the mean, and standard error of the estimate? Discuss and offer examples.

An accounting professor is notorious for being stingy in

An accounting professor is notorious for being stingy in giving out good letter grades. In a large section of 140 students in the fall semester, she gave out only 5% As, 23% Bs, 42% Cs, and 30% Ds and Fs. Assuming that t ...

1 how many conditions are there in the simplest possible

1. How many conditions are there in the simplest possible experiment? 2. Describe how participants are assigned to conditions in randomized groups, matched-subjects, and repeated measures experimental designs. 3. What ar ...

  • 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