Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

Confidence interval for one population mean.

1. The mean of the standard normal distribution is
A. 1
B. 0
C. 100
D. all of these

2. The standard normal distribution is continuous?
A. true
B. false

3. A walker travelling at 4 miles per hour burns and average of 300 calories per hour. The standard deviation is 8 calories. Find the following for a walker that travels 4 miles in one hour.

Find the possibility that a worker burns more that 280 calories is the probability
A. 0.4938
B. 0.0062
C. 0.9938
D. 0.5062

4. Refer to the walk that burns and average of 300 calories and the standard deviation is 8 calories.
What is the probability that the walker will burn less than 293 calories?
A. 0.1894
B. 0.2106
C. 0.8106
D. 0.5000

5. What is the prospect that walker will burn 285 to 320 calories?
A. 0.9637
B. 0.4699
C. 0.4938
D. 0.0363

6. A point estimate is more likely to occur than an interval estimate
A. true
B. false

7. A study of 40 bowlers showed that there average score was 186 the standard deviation of the population is 6. Uncover the 95% confidence interval of the mean score for all bowlers.
A. (183.56, 188.44)
B. (184.0, 188.0)
C. (184.14 187.86)
D. (184.44, 187.86)

8. Data that can be classified according to colour are measured on what scale?
A. nominal
B. ordinal
C. ratio
D. interval

9. The height of president bush is an instance of a variable?
A. True
B. False

10. A university dean wants to estimate the average number of hours his part-time instructors teach per week. The standard deviation from a previous study is 2.6 hours how large of a sample is necessary if he wants to be 99% confident of finding whether the true mean differs from the sample mean by 1 hour.
A. 7
B. 19
C. 45
D. 85

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M919799

Have any Question? 


Related Questions in Statistics and Probability

A clinical trial is being planned to investigate the effect

A clinical trial is being planned to investigate the effect of a new experimental drug designed to reduce total serum cholesterol. Investigators will enroll participants with total cholesterol levels between 200-240, the ...

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 ...

Listed below is a list of how long it takes for bands on

Listed below is a list of how long it takes for bands on stage to complete their first song (in seconds). 538 312 327 309 344 313 318 315 325 331 312 314 What is the mean time it takes for bands on stage to complete thei ...

What is the estimate for the difference between

What is the estimate for the difference between ‘False-rejects' by Inspectors 2 and 5? 0.8 3.7 4.2 0.0 3.5

Discuss the beginnings of the cold war from the position

Discuss the beginnings of the Cold War. From the position of a Soviet ruler, how might you have viewed the situation following WWII? How did the Truman administration attempt to handle it? (Include as many of the followi ...

A bakery was taken to court for selling loaves of bread

A bakery was taken to court for selling loaves of bread that were underweight. These loaveswere advertised as weighing 24 ounces. In its defense, the bakery claimed that the advertisedweight was meant to imply not that e ...

Assume that womens heights are normally distributed with a

Assume that women's heights are normally distributed with a mean given by mu equals 63.3 in, and a standard deviation given by sigma equals 3.1 in. Complete parts a and b. a. If 1 woman is randomly selected, find the pro ...

What was abraham lincolns view of slavery from the 1840s

What was Abraham Lincoln's view of slavery from the 1840s into the late 1850s, and how did it evolve? How did secession come about, and where did the sentiments for it originate? where did the sentiments for it originate ...

Use the inverse transform method to generate a sample of

Use the inverse transform method to generate a sample of the exponential distribution with parameter θ, which is given by its density             1/θe -x/θ   for x ≥ 0 f(x) =             0             for x where θ is a ...

The question to address is what have you learned about

The question to address is: "What have you learned about statistics?" In developing your responses, consider - at a minimum - and discuss the application of each of the course elements in analyzing and making decisions 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