Construct a 95 percent confidence interval for the mean, Ask an Expert

Statistics

Dr. Patton is a professor of English. Recently she counted the number of misspelled words in a group of student essays. She noted the distribution of misspelled words per essay followed the normal distribution with a population standard devation of 2.44 words per essay. For her 10 A.M. Section of 40students, the mean number of misspelled words was 6.05. Construct a 95 percent confidence interval for the mean number of misspelled words in the population of student essays.

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9368256

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

Question 387 women receiving free bone mineral density

Question: 387 women receiving free bone mineral density screenings were questioned. The questions focused on past smoking history. Sujbects undergoing hormone replacement therapy (HRT), and subjects not undergoing HRT, w ...

Illustrate the difference between straight and cumulative

Illustrate the difference between straight and cumulative voting systems using as an example a shareholder who owns 5,000 shares and an election in which six directors will be selected. Why might shareholders care about ...

Taylor found that 8 of the recipients of loans form a

Taylor found that 8% of the recipients of loans form a particular mortgage lender default within 3 years. If he takes a random sample of 736 customers who received loans 3 years ago, what is the average number of custome ...

Find the mean and the standard deviation of a binomial

Find the mean and the standard deviation of a Binomial Distribution with n = 65 and p = 0.32 Mean = 24; Stand. Deviation= 4.1 Mean = 20.8; Stand. Deviation= 3.76 Mean = 28; Stand. Deviation= 3.66 Mean = 21.8; Stand. Devi ...

You decide to research further this seemingly contradictory

You decide to research further this seemingly contradictory guidance, hypothesizing that the true population average core body temperature amidst higher ambient temperature and humidity levels while using an electric f ...

Stocks a b and c have expected returns of 12 percent 12

Stocks A, B, and C have expected returns of 12 percent, 12 percent, and 10 percent, respectively, while their standard deviations are 42 percent, 30 percent, and 30 percent, respectively. If you were considering the purc ...

1 approximately 20 of corporate workforce are not happy

1) Approximately 20% of corporate workforce are not happy with their immediate bosses. Suppose 10 workers working in corporates are randomly selected. a) What is the probability that everybody of them is happy with his i ...

Question in one law school class the entering students

Question: In one law school class the entering students averaged 700 on the LSAT test with a standard de-viation of 40. Assuming the distribution of test scores was normal, what fraction of the class scored above 750? Th ...

What is the algebraic equation for the coefficient fo

What is the algebraic equation for the coefficient fo variations?

A 10-year annuity-immediate pays 100 quarterly for the

A 10-year annuity-immediate pays 100 quarterly for the first five years. Starting year 6, the annuity immediate pays 300 quarterly for the remaining five years. There is a nominal annual interest of 8% convertible quarte ...

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

Recent Questions

Ask Statistics and Probability Expert