Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

The accounting department at Weston Materials, Inc., national manufacturer of unattached garages, reports that it takes two construction workers mean of 32 hours and a standard deviation of 2 hours to erect Red Barn model. Suppose the assembly times follow the normal distribution.

a) Find out the z values for 29 and 34 hours. What percent of garages take between 32 hours and 34 hours to erect?

b) What percent of garages take between 29 hours and 34 hours to erect?

c) What percent of the garages take 28.7 hours or less to erect?

d) Of the garages, five percent take how many hours or more to erect?

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M918424

Have any Question? 


Related Questions in Statistics and Probability

A man has a simple discount note for 6200 at an ordinary

A man has a simple discount note for $6200 at an ordinary bank discount rate of 8.61 % for 40 days. What is the effective interest rate? Round to the nearest tenth of a percent. (Use the banker's rule.)

A software manufacturer knows that l out of 10 software

A software manufacturer knows that l out of 10 software games that the company markets will be a financial success. The manufacturer selects 10 new games to market. What is the probability that exactly one game will be a ...

Construct a signal plus noise random sequence using 10

Construct a signal plus noise random sequence using 10 samples of the following: Where   is a sequence of zero-mean, unit variance, IID Gaussian random variables,   s the time between samples of the process. (a) Calculat ...

East and west for this discussion please discuss the

East and West: for this discussion, please discuss the cultural differences between the two and how those differences were exacerbated by historical events. How much of the east-west rift remains as a part of global cult ...

Phone numbers in the united states consist of 10 digits a

Phone numbers in the United States consist of 10 digits, a three-digit area code followed by a seven-digit number. Suppose there are several constraints that must be satisfied for a phone number to be valid, such as: (i) ...

The input to a linear filter is a random process with the

The input to a linear filter is a random process with the following autocorrelation function: The impulse response of the filter is of the same form and is Determine the autocorrelation function of the filter output for

A set of nnbsp random variablesnbspx1 x2 x3xn are

A set of n  random variables X 1 , X 2 , X 3 ,....,X n , are independent and each uniformly distributed over  (a) Find the probability density function of  (b) With defined as in part (a) above, let   and find   That is, ...

You are given a member function of a random process

You are given a member function of a random process as   where the amplitude is in volts. Quantize the amplitude o    to 21 levels with the intervals ranging from 10.5 to 10.5 in 1-volt steps. Consider 100 periods of   a ...

Suppose a random variable x has a gaussian pdf with zero

Suppose a random variable, X , has a Gaussian PDF with zero mean and variance σ 2 x The random variable is transformed by the device whose input-output relationship is shown in the accompanying figure. Find and sketch th ...

Let x and ynbsp be zero-mean jointly gaussian random

Let X and Y  be zero-mean jointly Gaussian random variables with a correlation coefficient of and unequal variances of  (a) Find the joint characteristic function,  (b) Using the joint characteristic function, find the c ...

  • 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

A cola-dispensing machine is set to dispense 9 ounces of

A cola-dispensing machine is set to dispense 9 ounces of cola per cup, with a standard deviation of 1.0 ounce. The manuf

What is marketingbullwhat is marketing think back to your

What is Marketing? • "What is marketing"? Think back to your impressions before you started this class versus how you

Question -your client david smith runs a small it

QUESTION - Your client, David Smith runs a small IT consulting business specialising in computer software and techno

Inspection of a random sample of 22 aircraft showed that 15

Inspection of a random sample of 22 aircraft showed that 15 needed repairs to fix a wiring problem that might compromise

Effective hrmquestionhow can an effective hrm system help

Effective HRM Question How can an effective HRM system help facilitate the achievement of an organization's strate