Purchase Solution

# Probability and Statistical Methods

Not what you're looking for?

1. A manufacturing intraocular lens is in a process of verifying a polishing machine. The polisher will be accepted only if the percentage of polished lenses containing surface defects does not exceed 1.5%.They took a sample of 300 lenses and found 5 lenses that had surface defect. Formulate a test appropriate for verification of polishing machine using α = 0.05. Please provide the steps of the formulated test. Problems are not to be resolved with statistic software.

2. 15 boxes of 350 grams corn flakes sodium content were determined. Data (in milligrams) are as follows: 128.77, 131.15, 129.65, 132.33, 130.54, 130.72, 131.67, 133.02, 127.98, 130.12, 129.37, 129.91, 130.19, 128.64 and 131.62.There is enough evidence, at a significance level of 10%, to conclude that this brand of corn flakes average sodium content is 130 milligrams? Please provide the steps. Problems are not to be resolved with statistic software.

##### Solution Summary

Hypothesis testing for differences in means. Use of Student T - distribution. Problems solved without using of statistical software.

##### Solution Preview

Please see attached file for the solution.

Probability and Statistical Questions:

1. A manufacturing intraocular lens is in a process of verifying a polishing machine. The polisher will be accepted only if the percentage of polished lenses containing surface defects does not exceed 1.5%.They took a sample of 300 lenses and found 5 lenses that had surface defect. Formulate a test appropriate for verification of polishing machine using α = 0.05. Please provide the steps of the formulated test. Problems are not to be resolved with ...

Solution provided by:
###### Education
• BSc, University of Bucharest
• MSc, Ovidius
• MSc, Stony Brook
• PhD (IP), Stony Brook
###### Recent Feedback
• "Thank you "
• "Thank You Chris this draft really helped me understand correlation."
• "Thanks for the prompt return. Going into the last meeting tonight before submission. "
• "Thank you for your promptness and great work. This will serve as a great guideline to assist with the completion of our project."
• "Thanks for the product. It is an excellent guideline for the group. "

##### Exponential Expressions

In this quiz, you will have a chance to practice basic terminology of exponential expressions and how to evaluate them.

##### Graphs and Functions

This quiz helps you easily identify a function and test your understanding of ranges, domains , function inverses and transformations.

##### Know Your Linear Equations

Each question is a choice-summary multiple choice question that will present you with a linear equation and then make 4 statements about that equation. You must determine which of the 4 statements are true (if any) in regards to the equation.

##### Multiplying Complex Numbers

This is a short quiz to check your understanding of multiplication of complex numbers in rectangular form.

##### Probability Quiz

Some questions on probability