Probability value on the marginal and joint probability

Assignment Help Basic Statistics
Reference no: EM1318731

A metropolitan school system consists of two districts-north and south. The north district contains 60% of all students, and the south district contains 40% of all students. A minimum competency test was given to all students. 10% of the north district students failed, and 15% of the south district students failed. What is the probability that a student from the entire school system, chosen at random, has passed?

a) 0.80

b) 0.85

c) 0.88

d) 0.90

Reference no: EM1318731

Questions Cloud

Pertinent issues involved in following facts : Identify all of the pertinent issues involved in following facts. Apply the rules of law to the problems and describe what your decision will be as judge for a day. Support your answer clearly with reasons. Explain why. (Three points possible)
The set of all permutations over the group formsunder : The set of all permutations over the group formsunder
Break-even point using break-even analysis : If we know that 20 people will attend, what price should be charged per person to break even?
E-business and e-commerce technologies : Describe the challenges e-Business and e-Commerce technologies present to the field of Information Technology.
Probability value on the marginal and joint probability : Find out the probability that a student from the whole school system, chosen at random, has passed?
Mechanical for full page : Briefly describe what would be found in a "mechanical" for a full page, full color magazine print ad-Finally, suggest a celebrity "spokesperson" that we could use in the ad, money is no object.
Computing the probability value based on the bayes rule : What is the probability that a student who has failed the test came from the South District?
Computation of probability based on binomial distribution : A fair die is rolled nine times. What is the probability that an odd number (1,3 or 5) will occur less than 3 times?
Estimating the mean of the discrete probability distribution : The random variable xi represents the number of complaints, and p(xi) is the probability of receiving xi complaints.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Statistics-probability assignment

MATH1550H: Assignment:  Question:  A word is selected at random from the following poem of Persian poet and mathematician Omar Khayyam (1048-1131), translated by English poet Edward Fitzgerald (1808-1883). Find the expected value of the length of th..

  What is the least number

MATH1550H: Assignment:  Question:     what is the least number of applicants that should be interviewed so as to have at least 50% chance of finding one such secretary?

  Determine the value of k

MATH1550H: Assignment:  Question:     Experience shows that X, the number of customers entering a post office during any period of time t, is a random variable the probability mass function of which is of the form

  What is the probability

MATH1550H: Assignment:Questions: (Genetics) What is the probability that at most two of the offspring are aa?

  Binomial distributions

MATH1550H: Assignment:  Questions:  Let’s assume the department of Mathematics of Trent University has 11 faculty members. For i = 0; 1; 2; 3; find pi, the probability that i of them were born on Canada Day using the binomial distributions.

  Caselet on mcdonald’s vs. burger king - waiting time

Caselet on McDonald’s vs. Burger King - Waiting time

  Generate descriptive statistics

Generate descriptive statistics. Create a stem-and-leaf plot of the data and box plot of the data.

  Sampling variability and standard error

Problems on Sampling Variability and Standard Error and Confidence Intervals

  Estimate the population mean

Estimate the population mean

  Conduct a marketing experiment

Conduct a marketing experiment in which students are to taste one of two different brands of soft drink

  Find out the probability

Find out the probability

  Linear programming models

LINEAR PROGRAMMING MODELS

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