Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

describe why the Z score used for the subsequent data.

The diameters of oranges in a definite orchard are usually distributed with a mean of 5.26 inches and a standard deviation of 0.50 inches.

1) What percentage of the oranges in this orchard have diameters less than 4.5 inches?

2) What percentage of the oranges in this orchard is larger than 5.12 inches?

3) A random sample of 100 oranges is gathered and the mean diameter obtained was 5.12. If additional sample of 100 is taken then what is the probability that its sample mean will be greater than 5.12 inches?

4) Why is the z-score used in answering (a), (b), and (c)?

5) Why is the formula for z used in (c) different from that used in (a) and (b)?

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M921112

Have any Question? 


Related Questions in Statistics and Probability

Two sets of chromium analyses were performed on water

Two sets of chromium analyses were performed on water samples from a stream that runs near a chromium plating plant:                  Before the spill                                After the spill Mean :           0.95 ...

Answer the following questions showing all work1 using

Answer the following questions showing all work. 1. Using http://onlinestatbook.com/stat_sim/sampling_dist/index.html, select a population distribution that is NOT normal (i.e., heavily skewed, uniform, bimodal). Using t ...

1 why do researchers calculate the coefficient of

1. Why do researchers calculate the coefficient of determination? 2. What does a coefficient of determination of .40 indicate?

1 your eccentric aunt has left you 50000 in alcan shares

1) Your eccentric aunt has left you $50,000 in Alcan shares plus $100,000 cash. Unfortunately, her will requires that the Alcan stock not be sold for one year and that $60,000 cash must entirely be invested in T-bills wi ...

An auditor claims that the average annual salary of a

An auditor claims that the average annual salary of a project manager at a construction company exceeds $82,000. A random sample of 20 project managers had an average salary of $89,600 with a sample standard deviation of ...

The time spentin days waiting for a heart transplant in two

The time spent(in days) waiting for a heart transplant in two states for patients with type A+ blood can be approximated by a normal distribution, as shown in the graph to the right. Complete parts(a) and(b) below. μ = 1 ...

Ron and veronica need to choose a name for their newborn

Ron and Veronica need to choose a name for their newborn daughter. After giving the matter much thought, they have narrowed the list of possible names to four: Abigail, Iris, Irene, and Olga. They now must choose one nam ...

A scarf company built a new parking garage in a business

A Scarf Company built a new parking garage in a business district. For a random sample of 100 days, daily fees collected averaged $1,800, with a standard deviation of $500. Construct a 90% confidence interval estimate of ...

Tell whether each of the following relationships reflects a

Tell whether each of the following relationships reflects a positive or a negative correlation: a. the amount of stress in people's lives and the number of colds they get in the winter b. the amount of time that people s ...

Entertainment software association would like to test if

Entertainment Software Association would like to test if the average age of "gamers" (those that routinely play video games) is more than 30 years old. A random sample of 33 gamers was selected and their ages were record ...

  • 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