Logo
Home Study Material Contact Search
AI Chat FREE
  1. mathematics
  2. statistics
  3. let x denote the life length in hours of a battery

Let X denote the life length in hours of a battery Suppose X is known...

90.2K

Verified Solution

Question

Statistics

image

Let X denote the life length in hours of a battery Suppose X is known to be normally distributed with standard deviation o 2 25 hours A random sample of 12 batteries has an average life of x 51 3 hours We are interested in determining whether there is evidence to support the claim that mean battery life exceeds 50 hours Using a level of significance of 0 05 answer the following questions Part a 4 points State the null and alternative hypothesis for the appropriate hypothesis test Part b 5 points Identify the test statistic and p value Part c 3 points State the conclusion of the test in the problem context Part d 5 points What is the Type II error probability for the test if the true mean life is 51 0 hours Part e 3 points If the true mean life is 51 0 hours what is the power of the test Part f 5 points What value of n is required to satisfy a 0 05 and 0 01

Answer & Explanation Solved by verified expert
Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:
  • Unlimited Question Access with detailed Answers
  • Zin AI - 3 Million Words
  • 10 Dall-E 3 Images
  • 20 Plot Generations
  • Conversation with Dialogue Memory
  • No Ads, Ever!
  • Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!
Become a Member

Other questions asked by students

Geometry
1.2K views

Acellus A certain state uses the following progressive tax rate for calculating individual income tax...

Biology
1.2K views

How the Lac, Trp, and CAM operons work? What are the role it plays in the...

Psychology
1.2K views

Provide examples for each research design of the most likely circumstances to use that research design.

Biology
1.2K views

In each blank write the type of scientist (geologist, oceanographer, meteorologist, orastronomer)you would expect to...

Geometry
1.2K views

Consider a circle whose equation is x y 4x 6y 36 0 Which statements are...

Calculus
1.2K views

roblem 1 Evaluate the following integral 4 x 2 x 5 dx Don t forget...

Algebra
1.2K views

8 State the number of solutions for the linear system equations 10x 2y 40 3y...

Algebra
1.2K views

6 2 log H log 6 log x log 3 1og2 log x 3 log...

Accounting
1.2K views

Grouper Corp. purchased $279,000 of five-year, 4% Hydrocor bonds at 99 on June...

Accounting
1.2K views

3. Lias marginal tax rate is 35% and she itemizes her tax deductions. How much...

Accounting
1.2K views

The following cases makes different assumptions with respect to the amounts of income and deductions...

Finance
1.2K views

Brookline Co.s bonds have a coupon rate of 7.9 percent and mature in 12 years....