Purchase Solution

MCQs: Binomial Probability

Not what you're looking for?

Ask Custom Question

Your company's internal auditor believes that 10% of the company's invoices contain errors. To check this theory, 20 invoices are randomly selected and 5 are found to have errors.

What is the probability that of the 20 invoices written, five or more would contain errors if the theory is valid?

a. .0433
b. .0319
c. .9567
d. .8660

An important part of the customer service responsibilities of a cable company relates to the speed with which trouble in service can be repaired. Historically, the data show that the likelihood is 0.75 that troubles in a residential service can be repaired on the same day. For the first five troubles reported on a given day, what is the probability that: Fewer than two troubles will be repaired on the same day?

a. .6328
b. .0010
c. .0156
d. .0146

A multiple-choice test has 30 questions and each one has five possible answers, of which one is correct. If all answers were guesses, find the probability of getting exactly four correct answers.

a. .0604
b. .1325
c. .2552
d. .8000

Purchase this Solution
Solution Summary

The solution provides step by step method for the calculation of binomial probabilities. Formula for the calculation and Interpretations of the results are also included.

Purchase this Solution
Free BrainMass Quizzes
Measures of Central Tendency

This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.

Know Your Statistical Concepts

Each question is a choice-summary multiple choice question that presents you with a statistical concept and then 4 numbered statements. You must decide which (if any) of the numbered statements is/are true as they relate to the statistical concept.

Measures of Central Tendency

Tests knowledge of the three main measures of central tendency, including some simple calculation questions.

Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.

View More Free Quizzes
Related BrainMass Solutions

  • Statistics MCQ - Multiple Choice

    This posting provides solution to statistics MCQs focusing on probability, binomial probability distribution, normal probability concepts, etc

  • MCQs: Statistics

    This posting contains solution to following MCQs on statistics.

  • Binomial Probabilities and Binomial Random Variables

    Suppose we want to determine the (binomial) probability (p) of getting 8 heads in 10 flips of a 2-sided coin. Using the Binomial probability table in the appendix of the text.

  • Binomial distribution

    290178 Binomial Probability Distribution Assume a binomial probability distribution has µ=0.60 and n= 200 a. What is the mean and standard deviation? b.

  • Probability based on normal and binomial variable

    P (0.45 < z < 2.15) Write the binomial probability as a normal probability using the continuity correction. Binomial Probability Normal Probability c. P ( x â?¤ 56) P ( x < ? ) d. P ( x = 69 ) P ( ? < x < ? ) Question 10 The world?

  • Probability distribution - binomial and normal distribution

    205825 Probability Find the indicated probabilities. a. P (z > -0.89) b. P (0.45 < z < 2.15) Write the binomial probability as a normal probability using the continuity correction. Binomial Probability Normal Probability c.

  • binomial probability formula

    281434 binomial probability formula The probability that a business owner will go bankrupt in it first year is .34.

  • Negative Binomial Probability Distribution

    Find a simple algebraic relationship between the negative binomial probability P(x) and the binomial probability for the probability of n successes in x trials. The solution file is attached. Thanks.

  • Binomial Probability Distribution for a Procedure's Yield

    This solution provides calculations for finding the probability of successes using the binomial probability formula.

  • Binomial Probabilities Calculations Solving

    365358 Binomial Probabilities Calculations Solving Answer the following: (A) Find the binomial probability P(x = 4), where n = 12 and p = 0.50. (B) Set up, without solving, the binomial probability P(x is at most 4) using probability notation.

View More Related Solutions