A normally distributed random variable y has std dev 800

Assignment Help Basic Statistics
Reference no: EM13621916

A normally distributed random variable Y has std dev. = 800. A random sample of 100 observations was taken from Y, and the sample average observed was 1400

Find the right endpoint of the symmetric 95% confidence interval for the mean?

Reference no: EM13621916

Questions Cloud

A firm is considering purchasing two assets asset a will : a firm is considering purchasing two assets. asset a will have a useful life of 10 years and cost 3 million it will
A fan blade is rotating with a constant angular : a fan blade is rotating with a constant angular acceleration of 14.0 rads2. at what point on the blade as measured from
Mcdougal entertainment is offering 75000 shares of stock to : mcdougal entertainment is offering 75000 shares of stock to the public in a general cash offer. the offer price is 36 a
Determine the velocity of the pin in terms of polar : the hydraulic actuator moves the pin p upward with velocity v 2j ms. determine the velocity of the pin in terms of
A normally distributed random variable y has std dev 800 : a normally distributed random variable y has std dev. 800. a random sample of 100 observations was taken from y and
A space ship is traveling at 07c when a laser beam is : a space ship is traveling at 0.7c when a laser beam is turned on that is directed in the direction the ship is
Floral bouquet needs to raise 21 million to expand its : floral bouquet needs to raise 21 million to expand its operations nationally. the company will sell new shares of
Construct a 96 confidence interval for the true mean : construct a 96 confidence interval for the true mean breaking strength of a certain type of 10 ft. long cables. assume
Assuming the condenser to be perfectly insulated determine : steam is to be condensed in the condenser of a steam power plant at a temperature of 50 degrees celsius with cooling

Reviews

Write a Review

Basic Statistics Questions & Answers

  Probability that sheer guess work yield correct answers

A multiple choice quiz has 150 questions each with 5 choices and only 1 is the correct answer. What is the probability that sheer guess work yield from 30 to 40 correct answers out of the 150 questions?

  Conclude that households have children

A simple random sample is found to be (0.7, 2.1). Can we conclude that 90% of households have between 0.7 and 2.1 children? Justify your answer.

  Determine what percentage of students scored higher in exam

Normally distributed about a mean value of 580 with a standard deviation of 60. Determine what percentage of the students scored higher than 750 on the exam.

  Please develop the expected frequencies table

A) Please develop the Expected frequencies table based on the above information.

  Expected number of manufacturing breakdowns

ABC Manufacturing has six machines that perform particular task. Breakdowns happens frequently for this machine. Past records indicate that the number of breakdowns that happen each day is described by the probability distribution seen below:

  Find the standard deviation of paint distribution

Known that 15% of walls painted with this paint need more than 55 minutes to dry completely. Find the standard deviation of this distribution.

  What are the control limits of the x chart

What are the control limits of the X chart, if α = 0.0026 and the sample size is 4 ?

  Suppose a study estimated the population mean for a

suppose a study estimated the population mean for a variable of interest using a 99 confidence interval. if the width

  Does treatment effect depend on past average sales

If there are no large cost disadvantages, the data suggest that we should proceed. B) Technical issue: Does the treatment effect depend on the past average sales?

  Determining normally distributed with average speed

Speed of cars travelling on I-85 in Gaston County is normally distributed with average speed (µ) of 66 MPH and standard deviation (σ) of 8 MPH.

  Determining odds student gets questions correct

Determine odds student gets more than 14 questions correct? Determine the odds student gets exactly 12 questions correct?

  Hypothesis testing of consumer preference

A test was conducted to determine whether gender of a spokesperson affected the likelihood that consumers would prefer a new product.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd