User Account

All Pages

Inches and a standard deviation

Assignment Help Basic Statistics
Reference no: EM131115639

Use a normal distribution or a t-distribution to find a  95% C.I. for the following: 

In a random sample of 70 bolts with a sample mean length of 1.25 inches and a standard deviation of .01 inches.  What is the CI?

Reference no: EM131115639

Questions Cloud

Percentile for a sample : In a recent year, Delaware had the highest per capita annual income with $51,803 (µ = 51,803) . If σ = $4850, find the mean that falls at the 85th percentile for a sample of 35 residents?
Compare income statement and balance sheet effects : Compare and contrast the income statement and balance sheet effects of these two transactions. How should Cypres Appliance Store structure this transaction to ensure that it qualifies as a sale instead of a collateralized loan?
What is the margin that allargando company needed : For the past year, Allargando Company recorded sales of $409,500 and average operating assets of $273,000. What is the margin that Allargando Company needed to earn in order to achieve an ROI of 10.5%
Solve maxium-profit problem by using decision tree : Solve the following maxium-profit problem by using a decision tree.
Inches and a standard deviation : In a random sample of 70 bolts with a sample mean length of 1.25 inches and a standard deviation of .01 inches.  What is the CI?
Find the component cost of debt preferred stock and equity : Preferred: New preferred could be sold to the public at a price of $100 share, with a dividend of $9. Flotation costs of $5 share would be incurred. Debt: Debt could be at an interest rate of 9%. Common: New common equity will be raised only by retai..
Assume that selzer estimates the total cost of servicing : Prepare 2010 entries for Selzer using the expense warranty approach. Assume that Selzer estimates the total cost of servicing the warranties will be $120,000 for 2 years.
New min and max height requirements : Find the percentage of women meeting and requirement, men meeting the height requirement and if the requirements are changed to exclude only the tallest 5% of men and the shortest 5% of women, what are the new min and max height requirements? Pleas..
Would conclude that two distributions normally distributed : What percentage of the high temperatures are within the interval X- - 2S to X- + 2S? How do these percentages compare to the corresponding percentages for a normal distribution (68.26% and 95.44%, respectively)?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Discuss the fundamental properties of a binomial

1. discuss the fundamental properties of a binomial probability distribution and their application to finding

  Exposing the misleading claim

An auto manufacturer advertises that "90% of the cars we've ever made are still on the road." Assuming this is literally true, how can it be explained? What facts/statistics would you need to know to expose this misleading claim?

  There is sufficient evidence at the 10 significance level

you want to test a research centers claim that less than 35 of college applications are submitted online. a hypothesis

  Among nine nominees for three vacancies on a city council

among nine nominees for three vacancies on a city council are five men and four women. in how many ways can these

  Explain evidence to support the society-s claim

A humane society claimes that less than 36% of U.S. households own a dog. In a random sample of 396 U.S. households, 151 say they own a dog. At x=0.04, is there enough evidence to support the society's claim?

  Estimating the population correlation coefficient

a) Specify the null and alternate hypotheses for testing that the population correlation is negative. b) Calculate the estimate of the population correlation coefficient between X and Y.

  Number of crimes by area

The Federal Government recently granted funds for a special program designed to reduce crime in high-crime areas. A study of the results of the program in eight high-crime areas of Miami, Florida, yielded the following results.

  Conduct an anova comparing the anxiety levels

Conduct an ANOVA comparing the anxiety levels (at posttest only) of participants across all three treatment conditions: CBT, psychodynamic, and supportive therapy.

  Point estimatuion of the population mean

The response of the GSS question in 2006 about the number of hours daily spent watching TV, the responses by the seven subjects who identified themselves as Hindus were 2,3,2,1,0,1,4,3. find a point estimate of the population mean for Hindus. The ..

  What is the response variable in the study

In the report, the researchers stated, "These results remain significant after adjustment for socioeconomic status." What does this mean? Can we conclude that a television in the bedroom causes a higher body mass index? Explain.

  Confidence interval for apples per tree

A study of 200 apples trees showed that the average number of apples per tree was 1000. The standard deviation of the population is 200. Which of the following is the 98% confidence interval for the mean number for all apples.

  What is the expected number of major earthquakes in fresno

Suppose the probability that a major earthquake occurs on a given day in Fresno, California, is 1 in 10,000. In the next 1,000 days, what is the expected number of major earthquakes in Fresno?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd