Find the probability that students took statistics

Assignment Help Basic Statistics
Reference no: EM13135469

10.3% of students in statistics actually take the course because they want to. If two students are selected at random, find the probability that both took statistics because they wanted to.

Reference no: EM13135469

Questions Cloud

Kind of lease in the agreement : From the lessee's viewpoint, what kind of lease is the above agreement? From the lessor's viewpoint, what kind of lease is the above agreement?
What volume of nitric acid is required : What volume (L) of 0.250M HNO3 is required to neuralize a solution prepared by dissolving 17.5g NaOH in 350mL of water?
The economists'' voice : This assignment is based on an article published in The Economists' Voice by Cass R. Sunstein, titled 'The Precautionary Principle as a Basis for Decision Making', in Volume 2, Issue 2 , 2005. The article and rubric (i.e. assessment criteria) are att..
Strategic importance of congo : What's the strategic importance of Congo to the United States.
Find the probability that students took statistics : 10.3% of students in statistics actually take the course because they want to. If two students are selected at random, find the probability that both took statistics because they wanted to.
What is the specific heat of the metal : A 52.2 g block of an unknown metal at 85.5oC was dropped into an insulated vessel containing approximately 37 g of ice and 27 g of water at 0oC. After the system had reached equilibrium
Contract in a percentage of completion method : When you are preparing a partial balance sheet for a 2 year period showing any items related to the contract in a percentage of completion method how do you figure out your accounts receivable, construction in progress and billings figures?
Overview of culture of china : Historical China evokes enchantment, wonder and mystery. Glowing lanterns and paper dragons and colorful kites that fill the sky on windy days come to mind.
Chief financial officer : Assignments must not exceed the word counts indicated. Double space your pages, use a 12-pt Times New Roman font, use 2 cm margins on all four sides of your page.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Parametric and nonparametric statistics

Can the formal hypothesis testing approach be used for non parametric tests? How are parametric and nonparametric statistics different?

  Develop a box plot on the distribution

The first and third quartiles were 17.95 and 35.45 miles per gallon, respectively, Develop a box plot and comment on the distribution. Is it a Symmetric distribution?

  Annova-meaning of population

In ANOVA, which of the following is not affected by whether or not the population means are equal?

  Standard error of the mean

Assume the population standard deviation is 1.2 hours. The standard error of the mean is:

  Determining probability of a mean

A population has a mean of 53 and a standard deviation of 21. A sample of 49 observations will be taken what is the probability that the sample mean will be greater than 57.95?

  What is the ideal probability of walking a guest

Mariott estimates that the penalty to "walk" a guest whose reservation cannot be honored due a lack of space is approximately $100. What is the ideal probability of "walking a guest."

  Approximation of binomial distribution

If x is a binomial random variable where n=100 and p=.1, find the probability that x is less than or equal to 11 using the normal approximation to the binomial.

  Basics of confidence interval numbers mean

Calculate a 95% confidence interval on the average weight of packaged mustard seed. Explain very carefully to the packaging workers what the 95% confidence interval numbers mean. Include your Excel output. Is there anything you would want to note ..

  Number of students that have taken the exam

In a class, the grade of a student on an exam is an RV with expectation 60 and variance 16. If the class average is between 55 and 65, with a probability greater than or equal to 0.9, determine the number of students that have taken the exam.

  Estimating statistics - probability

It has been reported that the average US office worker receives 14 fax messages per day. For purposes of this exercise, we will assume that the daily number of fax messages is normally distributed with a standard deviation of 5.0 messages.

  Confidence interval estimate for variance of life expectancy

A sample of 23 European countries found that variance of life expectancy was 7.3 years. Determine the 95% confidence interval estimate for variance of life expectancy in Europe?

  Determine critical z values using right-tailed test

Determine the critical z values. Suppose that normal distribution applies. Right-tailed test; standard deviation = 0.04.

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!

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