Find probability that freshman selected is enrolled in group

Assignment Help Basic Statistics
Reference no: EM13112133

Among 500 freshmen pursuing the business degree at university, 310 are enrolled in economics course, 229 are enrolled in mathematics course, and 131 are enrolled in both economics and mathematics course. Determine the probability that freshman selected at random from group is enrolled in each of the following?

Reference no: EM13112133

Questions Cloud

Test claim that mean responses are same for all patients : Test claim that mean responses are same for all populations of patients receiving either treatment and of either gender.
Prevalence of disease : A screening test is used in the same way in two similar populations, but the proportion of false-positive results among those who test positive in population A is lower than that among those who test positive in population B.
Estimate the activation energy for reverse reaction : The activation energy for the reaction NO 2 (g)+CO 2 (g)?NO(g)+CO(g) is E a = 100kJ/mol and the change in enthalpy for the reaction is ΔH = -200kJ/mol. What is the activation energy for the reverse reaction?
Specificity and sensitivity rationale : Two pediatricians want to investigate a new laboratory test that identifies streptococcal infections. Dr. J uses the standard culture test, which has a sensitivity of 90% and a specificity of 96%. Dr. M uses the new test, which is 96% sensitive an..
Find probability that freshman selected is enrolled in group : 131 are enrolled in both economics and mathematics course. Determine the probability that freshman selected at random from group is enrolled in each of the following?
What are some developmental defects caused by rnai : What makes RNAi different from other forms of mutagenesis? What are some developmental defects caused by RNAi?
Describe effect of performing kinetics experiments : What would be the effect of performing your kinetics experiments at a lower temperature than the one you used?
Write a research proposal on growth by franchise : You are required to write a research proposal before conducting your research project. The Project Proposal generally represents an agreement between a supervisor and student as to the viability of the proposed project.
Objective questions based on acids and bases : Which of the following compounds will produce an acidic solution when dissolved in water? What is the OH- (hydroxide ion) concentration in a solution with pOH = 2.45.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Concept of probabilities

Be sure to include information about how you would use the concept of probabilities to apply to profiles for hiring more satisfied individuals.

  Finding number of questions by random guessing

Richard is one of test takers. Find out the number of questions he can expect to get right on test by random guessing.

  Plausible mean value using histogram applet

This set of height measurements are recorded in centimeters. Answer the following questions using the Histogram Applet. Is 1.7cm a Plausible mean value? Explain.

  Overall statistical significance of model

Explain the overall statistical significance of the model, Explain the statistical significance for each independent variable in the model

  Performance of z-test as opposed to a t-test

Describe when a z-test should be performed as opposed to a t-test? Which (if any) can we use all the time? Why or why not?

  Appropriate hypotheses using appropriate data

Suppose that it is important to demonstrate that the wall thickness exceeds 4.0 mm. Test appropriate hypotheses using these data. Draw conclusions at α= 0.05.

  Determine lower limit for x bar chart

Bags of tea are sampled to ensure proper weight. The overall average for samples is 8 ounces. Each sample contains 10 bags. The average range is 0.1 ounces.

  Hypothesis testing for single proportion

Be sure the appropriate assumptions and conditions are satisfied before you proceed.

  Determining confidence interval-test of hypothesis

In an article in the Journal of Management, Morris, Avila and Allen studied innovation by surveying firms to find the number of new products introduced by the firms.

  Estimating regression equation using stepwise regression

A researcher used stepwise regression to create regression models to predict  Birth-Rate  (births per1000) using five predictors:

  Percentage value using chebyshevs inequality

Find at least what percentage of all homeowners in this city pay a monthly mortgage of 865 to 1,675.00.

  Identify ependent variable for the experiment

Prices (in dollars) were recorded for a sample of 60 randomly selected grocery items at each of the three supermarkets. In order to reduce item-to-item variation, the prices were recorded for each item on the same day at each supermarket. Identify..

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