What is the probability that the student

Assignment Help Basic Statistics
Reference no: EM131215282

Suppose that a certain college class contains 60 students. Of these,are 37 freshmen, 28 are economics majors, and 10 are neither. A student is selected at random from the class.

(a) What is the probability that the student is both a freshman and an economics major?

(b) Given that the student selected is a freshman, what is the probability that he is also an economics major?

Write your responses as fractions.

(If necessary, consult a list of formulas.)

Reference no: EM131215282

Questions Cloud

Find the marginal pdfs and the conditional pdfs : A pair of random variables is uniformly distributed over the ellipse- Find the marginal PDFs. - Find the conditional PDFs,
Weakness of the articles of confederation : Discuss the other major weakness of the Articles of Confederation and show how our present-day Constitution overcame them.  Be sure to address how the Constitution addressed the economy, political instability, conflict's between small and large st..
What other factor play into risk that are not cover in video : What other factors play into risks that are not covered in the video? When have you had to consider risk and return in personal or professional decision-making?
Find the value of the constant : Let and be random variables with means μX and μY, variences σ2X and σ2Y,   and correlation coefficient ρX ,Y- Find the value of the constant.
What is the probability that the student : Suppose that a certain college class contains 60 students. Of these,are 37 freshmen, 28 are economics majors, and 10 are neither. A student is selected at random from the class. (a) What is the probability that the student is both a freshman and an..
Probability that the mean salary offer : The mean salary offered to students who are graduating from Coastal State University this year is $24,230, with a standard deviation of $3678. A random sample of 85 Coastal State students graduating this year has been selected. What is the probabi..
Write the code to build a model of their route map : Write a script that asks the user for an origin and destination and computes the shortest route and the route with the fewest connections.
Probability that a randomly selected civil engineering : (a) What is the probability that a randomly selected civil engineering major is female? Round your answer to 2 decimal places. (b) What is the probability that a randomly selected female student majors in civil engineering? Round your answer to 2 d..
Describe one scene and how it depicts depth of field : Describe your film's cinematic (camera) point of view, Objective, Subjective, or Indirect Subjective, with a couple of examples. How are camera angles used within your film? Be sure to point to at least two specific scenes and two different camera ..

Reviews

Write a Review

Basic Statistics Questions & Answers

  It is estimated that for every additional gram of fat in

a regression of the amount of calories in a serving of breakfast cereal vs. the amount of fat in the cereal gave the

  Decision rule and calculations

At the .10 level of significance, is the coin biased toward heads? Show your decision rule and calculations.

  Entering data into spss

Enter data into SPSS (use two columns: one for coding {0, 1, 2, 3, 4, 5} and one for DV)

  Value of linear correlation coefficient

A supplier of 3.5" disks clams that only 1% of the disks are defective. In a random sample of 600 disks, it is found that 3% are defective, but the supplier claims that this is simply a sample fluctuation. At the 0.01 level of significance, test t..

  Explain is it unusual for a school bus to arrive late

Assume that a study of 300 randomly selected school bus routes showed that 279 arrived on time. Is it unusual for a school bus to arrive late?

  Congressional budget office web site

Predicting the federal budget. Go to the Congressional Budget Office Web site, www.cbo.gov. Under the tab "Publications" (hover over "By Subject") select "Budget and Economic Information" and then "Budget and Economic Outlook."

  The number of monthly breakdowns of a super computer

The number of monthly breakdowns of a super computer is a random variable having a Poisson distribution with λ = 1.8. Use the formula for the Poisson distribution to find the probabilities that this computer will function

  Geometric distribution applies

Assume the geometric distribution applies. Use the given probability of success p to find the indicated probability.

  State hypotheses for beta-blockers reduce the pulse rate

For the control group, the mean was 70.3 and the standard deviation was 8.3. (a) Do beta-blockers reduce the pulse rate? State the hypotheses and do a t test.

  At what prices would google have to close at in order for

at what prices would google have to close at in order for it to be considered statistically unusual? you should have a

  Describe the population of interest describe the sample

in 2008 a university in the midwestern united states surveyed its full-time first-year students after they completed

  Probability an applicant does not pass the test

What is the probability an applicant does not pass the test and is a sucessful manager?

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