Purchase Solution

Random testing for defective components

Not what you're looking for?

Ask Custom Question

A lot of 1000 components contains 300 that are defective. Two components are drawn at random and are tested. Let A be the event that the first component drawn is defective, and let B be the event that the second component drawn is defective.

Please refer to the attachment for the questions for this given scenario.

Attachments
Purchase this Solution
Solution Summary

This solution goes through problems regarding random testing for defective components and statistical independence.

Purchase this Solution
Free BrainMass Quizzes
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.

Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.

Measures of Central Tendency

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

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.

View More Free Quizzes
Related BrainMass Solutions

  • Statistics - Random Sample

    A random sample of 800 components is drawn. What is the probability that the defective rate is greater than 4%? Suppose that in the random sample the defective rate is 4%. What does that suggest about the rate on the assembly line?

  • Binomial Distribution

    In a lot of 10 components, 2 are sampled at random for inspection. Assume that in fact exactly 2 of the 10 components in the lot are defective. Let X be the number of sampled components that are defective. a. Find P(X=0). b. Find P(X=1).

  • Probability: Midwestern company

    Given that a component is selected at random and is found to be defective, what is the probability that the component was made in Cleveland?

  • Hypothesis testing

    Hypothesis Testing for Proportions. 4. A flash drive manufacturer has set a standard on their production process. When defects exceed 3%, the production process is unacceptable. A random sample of 85 drives is tested. The defective rate is 5.9%.

  • Random Sampling of Defective Products

    17515 Random Sampling of Defective Products A quality inspector is interested in the time spent replacing defective parts in one of the company's products.

  • Hypothesis, Level of Significance and Critical Value

    In a random sample of 100 machines, it is found that 8 are defective, does the sample data provide sufficient evidence to conclude that the defective is more than 5%. Use the hypothesis testing procedure and alpha = .10.

  • Generating a Simple Random Sample

    151778 Generating a Simple Random Sample A manufacturing company's quality control personnel have recorded the proportion of defective items for each of 500 monthly shipments of one of the computer components that the company produces.

  • Statistics

    A worker selects a chip for installation in a PC and finds it defective. What is the probability that it was manufactured by Crawford Components?

  • Probability problems explained in this answer

    A manufacturer of CDs has just manufactured 4000 CDs, and 4% are defective. If 10 of these CDs are randomly selected for testing, what is the probability that the entire batch will accepted?

View More Related Solutions