Question

A machine puts out 16 imperfect articles in a sample of 500. After the machine is overhauled it puts 3 imperfect articles in a batch of 100. Has the machine been improved? Use 5% level of significance. Use p-value fot your conclusion and also find 88% confidence interval for difference between population proportion.

 

Expert Answer

Want to see the step-by-step answer?

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.
Tagged in
Math
Probability

Related Probability Q&A

Find answers to questions asked by students like you.

Q: Flying   Telepathy   Super Strength  Female 52 40 64 Male 39 15 3 Distribution of Super Power ...

A: The empirical probability that a randomly selected superhero will have super strength is obtained be...

Q: In a given Finite class 1/2 of students are juniors, 3/8 are sophomores, and the rest are freshmen. ...

A: Given data

Q: 33 cards numbered from 1 through 33 are placed into a box and two cards are selected without replace...

A: The probability that both numbers selected are odd, given that their sum is even is 0.5313 and it is...

Q: Let A = {H, T}, B = {1, 2, 3, 4, 5, 6}, and C = {red, green}. Find the number indicated. HINT [See E...

A: From the given information, A={H,T}B={1, 2, 3, 4, 5, 6}C={red, green} The outcomes for B×B is,

Q: How do i find e(x), var(x) and e(x^3) using the moment generating function

A: Let us define the random variable X with moment generating function Mx(t).The moment generating func...

Q: Use Bayes' theorem or a tree diagram to calculate the indicated probability. Round your answer to fo...

A: Given thatP (A/B) = 0.4P (B) = 0.9P (A/B’) = 0.8P (B/A) =?

Q: Thank you for your feedback on part b. Per your instruction, re-posting question part a. I need help...

A: Drawing a tree diagramC denotes cat, D denotes dog, 

Q: Applicants who wish to be admitted to a certain professional school in a large university are requir...

A: (a) The probability that an applicant for admission passed the exam is 0.653 and it is calculated be...

Q: Chapter 5 The Binomial Probability Distribution and Related Topics (Undderstanding Statistics, 12th ...

A: a)  From the provided information, the total number of tickets are 1,000 and there is only one prize...