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

Forty-four percent of consumers with credit cards carry

Forty-four percent of consumers with credit cards carry balances from month to month. five consumers with credit cards are randomly selected. What is the probability that all consumers carry a credit card balance?

A recent report suggested that older people think more

A recent report suggested that older people think more slowly than younger people because they have more information stored in their brains. Because WeStudyEverything wasn't sure regarding the source of the study, they d ...

Focusing on leadership and changeintroductionin this

Focusing on leadership and change Introduction In this assignment, we will focus on you, your relationship to leadership and change in your work context and the management ideas that have influenced those topics. Rather ...

A consumer psychologist asked to test a claim by a swimming

A consumer psychologist asked to test a claim by a swimming school that its instructors could teach the average seven-year-old to swim across an Olympic-sized pool in less than 2 minutes. The psychologist arranged for ei ...

Uncertain scenario-maximizing the meanthe potential

Uncertain Scenario-Maximizing the Mean The potential revenues of all projects are in fact uncertain. The company determines that the revenue for project 1 is following a uniform distribution ranging from $1,200,000 to $2 ...

Be sure to read each question carefully and answer all

Be sure to read each question carefully and answer all parts. For all Stata questions, be sure to provide the log output (which should be edited and commented so that it is easier to grade).  Q1. Find an article THAT YOU ...

Assuming data come from a random sample under which of the

Assuming data come from a random sample, under which of the following conditions should we notcalculate a confidence interval for a population mean? A. Population is normally distributed and sample size is 50 individuals ...

Explain how you would conduct the study you designed in

Explain how you would conduct the study you designed in Question as a matched-subjects design. Question:- Design a randomized groups experiment to test the hypothesis that children who watch an hour-long violent televisi ...

For each experiment described below identify any confounds

For each experiment described below, identify any confounds that may be present. (Be careful not to identify things as confounds that are not.) Then, redesign each study to eliminate any confounds that you find. Write a ...

Imagine that you have collected the following set of iq

Imagine that you have collected the following set of IQ scores: 110 124 100 125 104 119 98 130 76 95 143 90 132 102 125 96 99 78 100 80 112 112 103 88 94 108 88 132 87 119 109 104 104 100 119 99 135 128 92 110 90 92 120 ...

  • 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