User Account

All Pages

Arc the events -psychology major and happy with major

Assignment Help Basic Statistics
Reference no: EM13577703

Question: A random sample of 250 juniors majoring in psychology or communications at a large university is selected. The students are asked whether or not they are happy with their majors. The following table gives the results of the survey. Assume that none of these 250 students is majoring in two areas

                                Happy    Unhappy
Psychology                 8O            20
Communications        115           35

a. If one student is selected at random from this group. find the probability that this student is

i. happy with the choice of major
ii. a psychology major
iii. a communications major given that the student is happy with the choice of major
iv. unhappy with the choice of major given that the student is a psychology major
v. a psychology major and is happy with that major
vi. a communications major or is unhappy with his or her major

b. Arc the events -psychology major and "happy with major" independent? Are they mutually exclusive? Explain why or why not.

Reference no: EM13577703

Questions Cloud

Cash sales sometimes were not entered in the cash register : snake creek company has one trusted employee who as the owner said handles all of the book-keeping and paperwork for
A group of 2000 randomly selected adults were asked if : question a group of 2000 randomly selected adults were asked if they are in favor of or against cloning. the
According to a survey 62 of murders committed last year : according to a survey 62 of murders committed last year were cleared by arrest or exceptional means. fifty murders
Mcbean company has outstanding 11 million shares of 1 par : mcbean company has outstanding 11 million shares of 1 par value common stock and 1.1 million shares of 3 par value
Arc the events -psychology major and happy with major : question a random sample of 250 juniors majoring in psychology or communications at a large university is selected.
Phelps inc had assets of 131904 and liabilities of 27208 at : phelps inc. had assets of 131904 and liabilities of 27208 at the close of 2013 with 18546 shares of outstanding common
A merger increases the number of voting shares of the : a merger increases the number of voting shares of the surviving corporation by 23 percent. which of the required in
In an attempt to avoid liquidating the company the : in an attempt to avoid liquidating the company the management of carter inc. is considering a reorganization that calls
Are the events employed and unemployed mutually exclusive : question the following table gives a two-way classification based on gender and employment status of the civilian

Reviews

Write a Review

Basic Statistics Questions & Answers

  Statistical hypothesis test for the given sample

Statistical Hypothesis test for the given sample

  Diameter of stabilizing o-rings washers

The diameter of stabilizing O-Rings washers manaufactured at a large factory is expected to be normally distributed with a mean of 1.30 inches and a standard deviation of 0.04 inches.

  Describe regression relationship-multiple independent

It is the number of independent variables that changes. Describe a regression relationship using multiple independent variables.

  Determining expected dividend per share

Dividend is expected to grow 7% a year for next 3 years and then at 5% a year after that. Determine the expected dividend per share for each of the next five years?

  Confidence interval for population standard deviation sigma

Suppose that population has normal distribution. Determine a 95 percent confidence interval for population standard deviation sigma.

  Which statistic technique can be used

Which statistic technique can use.. when apply three treatment(treatment 1, treatment2, treatment3)on 2 dependent variable?(i applied 3 treatments consecutively and checked effect of them on 2 dependents variable. can i apply repeated measure of anov..

  Find confidence interval of mean number of er patients

Find the 95% confidence interval of the mean number of ER patients treated each day in the hospital if the standard deviation is 8 instead of 4.

  1ginger root is used by many as a dietary supplement a

1.ginger root is used by many as a dietary supplement. a manufacturer of supplements produces capsules that are

  Probability that sample mean would have been high

Content of 100 randomly chosen cigarettes was 3.1 mg. What is the probability that the sample mean would have been as high as or higher than 3.1 mg if the company's claims were true?

  Explain are outcomes in the sample space equally likely

Either the seed germinates, or it does not. What is the sample space in this problem? Do the probabilities assigned to the sample space add up to 1? Explain. Are the outcomes in the sample space equally likely?

  Probability that in any partcular cookie being inspected

If the production process is in control, the mean number of chips per cookie is 6.0 What is the probability that in any particular cookie being inspected. What is probability that in any partcular cookie being inspected, there are less than 4 choco..

  Relationship from sample information

At the .01 significance level, is there a relationship between job pressure and age?

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