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

Restate each of the following research questions as

Restate each of the following research questions as questions about behavioral variability. a. Does eating too much sugar increase children's activity level? b. Do continuous reinforcement schedules result in faster lear ...

Paper should be between 800 and 1000 words in length it is

Paper should be between 800 and 1,000 words in length. It is due according to the due date on the course calendar. 1. Drawing on the readings and lectures, name at least three developments or factors that encouraged the ...

A researcher studying correctional treatment on 192 sex

A researcher studying correctional treatment on 192 sex offenders composed of 10 females and 182 males finds that 11 males along with 1 female had reoffended. He then calculates the percentages and finds that 10% of fema ...

Question 1 -happy harrys hamburgers recently commissioned a

Question 1 - Happy Harry's Hamburgers recently commissioned a top tier consulting company to develop a new location selection process. However, after receiving the first invoice from the consulting company, Happy Harry w ...

A special industrial battery must have a life of at least

A special industrial battery must have a life of at least 500 hours. A hypothesis test is to be conducted with a 0.04 level of significance. If the batteries from a particular production run have an actual mean use life ...

The us express reported that the color distribution for

The US Express reported that the color distribution for plain M&M's was: 40%brown, 20% yellow, 20% orange, 10% green, and 10% tan. Each piece of candy in a random sample of 100 plain M&M's was classified according to col ...

1 all successful empires share certain characteristics what

1. All successful empires share certain characteristics. What are these characteristics and how do they relate to the rise of the Muslim empires? Put Islam in its historical context and explain how the Umayyad and Abbasi ...

Tell whether each of the following relationships reflects a

Tell whether each of the following relationships reflects a positive or a negative correlation: a. the amount of stress in people's lives and the number of colds they get in the winter b. the amount of time that people s ...

Risk taking is an important part of investing in order to

Risk taking is an important part of investing. In order to make suitable investment decisions on behalf of their customers, portfolio managers give a questionnaire to new customers to measure their desire to take financi ...

You plan to start saving for your sons college education he

You plan to start saving for your son's college education. He will begin college when he turns eighteen and will need $4,000 then and in each of the following three years. You will make a deposit at the end of this year ...

  • 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

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

Describe what you learned about the impact of economic

Describe what you learned about the impact of economic, social, and demographic trends affecting the US labor environmen