Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

Determination of Sample Size.

A two-lane highway with a posted speed limit of 45 miles per hours is located just outside a small 40 homes subdivision. The residents of neighbourhood are concerned that the speed of cars on the highway is excessive and want an estimate of the population speed of the cars on the highway. Assume the population standard deviation speed of vehicles on the highway is known to be 8 miles per hour, based on past studies. How large a sample is required to approximation the mean speed with a margin of error equal to 2 miles per hour with 90 percent confidence?

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M919820

Have any Question? 


Related Questions in Statistics and Probability

Name two or three competitors that compete most directly

Name two or three competitors that compete most directly for the same resources and customers that you need to perform well as an organization (or other government agencies or non-profits that compete for similar donors ...

Two population meansa tomato farmer with a very large farm

Two Population Means A tomato farmer with a very large farm of approximately 2200 acres had heard about a new type of rather expensive fertilizer which would supposedly significantly increase his production. The frugal f ...

In the following cross-lagged panel design does x appear to

In the following cross-lagged panel design, does X appear to cause Y, does Y appear to cause X, do both variables influence each other, or are X and Y unrelated?

Thirty percent of the time a sale at food shoppe is paid

Thirty percent of the time, a sale at Food Shoppe is paid using a store-issued credit card. A sample of 18 Food Shoppe sales is obtained. Let X represent the number of sales paid for using the store-issued credit card. W ...

An individual wanted to determine the relation that might

An individual wanted to determine the relation that might exist between speed and miles per gallon of an automobile. Let X be the average speed of a car on the highway measured in miles per hour and let Y represent the m ...

A professor of management has heard that twelve students in

A professor of management has heard that twelve students in his class of 46 have landed an internship for the summer. Suppose he runs into two of his students in the corridor. a. Find the probability that neither of thes ...

The question to address is what have you learned about

The question to address is: "What have you learned about statistics?" In developing your responses, consider - at a minimum - and discuss the application of each of the course elements in analyzing and making decisions a ...

Mimi joined umuc basketball team since summer 2016 on

Mimi joined UMUC basketball team since summer 2016. On average, she is able to score 30% of the field goals. Assume she tries 15 field goals in a game. (a) Let X be the number of field goals that Mimi scores in the game. ...

If the difference between two means is not statistically

If the difference between two means is not statistically significant, how certain are you that the independent variable really does not affect the dependent variable?

1 the waiting time t between successive occurrences of an

1. The waiting time T between successive occurrences of an event E in a discrete time renewal process has the probability distribution P(T =1) = 0.7, P(T = 2) = 0.3. (iii) If an observer arrives after the renewal process ...

  • 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