Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

Multiple choice problems based on Standard normal distribution.

1) At a computer manufacturing company the real size of computer chips is normally distributed with a mean of 1 centimetre as well as a standard deviation of 0.1 centimetre. A random ex of 12 computer chips is taken. describe what is the standard error for the sample mean?

1) 0.029

2) 0.050

3) 0.091

4) 0.120

2) At a computer manufacturing company and the actual size of computer chips is usually distributed with a mean of 1 centimetre and a standard deviation of 0.1 centimetre. A random ex of 12 computer chips is taken. describe the probability that the sample mean will be between 0.99 and 1.01 centimetres?

3) The owner of a fish market has an associate who has determined that the weights of catfish are normally distributed with mean of 3.2 pounds as well as standard deviation of 0.8 pound. If a sample of 25 fish yields a mean of 3.6 pounds what is the Z-score for this observation?

1) 18.750

2) 2.500

3) 1.875

4) 0.750

4) The amount of time required for an oil as well as filter change on an automobile is normally distributed with a mean of 45 minutes as well as a standard deviation of 10 minutes. A random sample of 16 cars is selected. describe the probability that the sample mean is between 45 and 52 minutes?

5) Times spent studying by students in the week beforehand final exams follow a normal distribution with standard deviation 8 hours.  A random sample of four students was taken in order to estimate the mean study time for the population of all students. describe the probability that the sample mean exceeds the population mean by more than two hours?

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M920313

Have any Question? 


Related Questions in Statistics and Probability

Recall that very satisfied customers give the xyz-box video

Recall that "very satisfied" customers give the XYZ-Box video game system a rating that is at least 42. Suppose that the manufacturer of the XYZ-Box wishes to use the 65 satisfaction ratings to provide evidence supportin ...

Thenbspessay approximately 500 to 600 words in length that

The Essay, approximately 500 to 600 words in length, that you will write in the testing lab is as follows: Do these excerpts from Columbus' log provide us with any useful information about the native societies of these i ...

1 find the p valuep for the indicated hypothesis test with

1) Find the P value(P= ?) for the indicated hypothesis test with the given standardized test statistic z. Decide whether to reject Ho for the given level of significance.  Two tail test, z = 2.30, alpha = 0.01 2) Find th ...

The condorcet method the french mathematician condorcet

The Condorcet Method The French mathematician Condorcet proposed the following method for determining a social preference order based on the strict preferences of the individuals in society. A voter i with a strict prefe ...

Final stats paper the final paper provides you with an

Final Stats Paper The final paper provides you with an opportunity to integrate and reflect on what you have learned in this course. The question to address is: "What have you learned about statistics?" In developing you ...

In a recent poll of 760 homeowners in the united states one

In a recent poll of 760 homeowners in the United States, one in five homeowners reports having a home equity loan that he or she is currently paying off. Using a confidence coefficient of 0.90, derive an interval estimat ...

Consider rolling a fair 6-faced die twice let a be the

Consider rolling a fair 6-faced die twice. Let A be the event that the sum of the two rolls is atmost 6, and B be the event that the first one is an even number. (a) What is the probability that the sum of the two rolls ...

Given the following waiting time distribution in a hotel

Given the following waiting time distribution in a hotel, compute the  expected value  of the waiting time in 2 dec pl.    Waiting time (minutes) Probability 4.0            20% 4.5 28% 5.0 32% 5.5 10% 6.0 10%

1nbspthe owner of a professional basketball team claims

1) The owner of a professional basketball team claims that the mean attendance at games is over 25,000 and therefore the team needs a new arena. Determine whether the hypothesis test for this claim is left-tailed, right- ...

1 use your own random mu sigma to generate four sets of

1) Use your own random (μ, σ) to generate four sets of (normal-distribution based) random numbers (i.e., samples) of sizes n = 5, 20, 80, and 320, respectively. 2) Calculate the means and standard deviations for the 4 sa ...

  • 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