Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

A random variable is normally distributed with the mean of 50 and standard deviation of 5.  

a. Draw the normal curve for probability density function. Label the horizontal axis with values of 35, 40, 45, 50, 55, 60, and 65. The normal curve almost touches the horizontal axis at three standard deviations below and at three standard deviations above mean (in this case at 35 and 65).

b. Find out the probability the random variable will suppose a value between 45 and 55?

c. What is the probability the random variable will suppose a value between 40 and 60?

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M916732

Have any Question? 


Related Questions in Statistics and Probability

1 what type of sample is used most frequently in behavioral

1. What type of sample is used most frequently in behavioral research? 2. Is it true that valid conclusions cannot be drawn from studies that are conducted on convenience samples? Why or why not?

Assignmentthe production department of the newspaper wants

Assignment The production department of the newspaper wants to ensure that the mean blackness of the print for all newspapers is at least 0.97 on a standard scale in which the target value is 1.0. A random sample of 50 n ...

1 in what ways are experimental research designs preferable

1. In what ways are experimental research designs preferable to correlational or descriptive designs? What are the limitations of experimental designs? 2. What is the purpose of random assignment to conditions? 3. Descri ...

Question at the first state bank the average savings

Question: At the first state bank the average savings account balance in 2004 was $1300 with a standard deviation of $80. A random sample of 45 savings account balances for 2005 yielded a mean of $1350. At the alpha=01 s ...

The initial research proposal will consist of the following

The initial research proposal will consist of the following SIX (6) items: 1. Identify a business research topic 2. Define the research questions for the identified problem or opportunity 3. Select the appropriate resear ...

The distribution of starting salaries of men who received

The distribution of starting salaries of men who received college degrees last year had a mean equal to 31000 and a standard deviation equal to 1200. A random sample of 36 starting salaries of women who received college ...

Define the confounds in the following list and tell why

Define the confounds in the following list and tell why each confound undermines the internal validity of an experiment: a. biased assignment of participants to conditions b. differential attrition c. pretest sensitizati ...

Question 1use this extract taken from the article goji

Question 1: Use this extract taken from the article, "Goji berries prevent macular degeneration," (appeared in Healthy Foods, Healthy Bodies on January 21, 2016) to answer the questions that follow: Goji berries (Lycium ...

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 ...

Purpose of the studythis current research study is a

Purpose of the Study This current research study is a quantitative study. The aim of this research study is to investigate the levels of self-efficacy and to determine whether there is a relationship in quality of life a ...

  • 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