Logo
Home Study Material Contact Search
AI Chat FREE
  1. mathematics
  2. basic math
  3. you are interested in estimating the the mean life

You are interested in estimating the the mean lifespan of a cell phone. From past...

60.1K

Verified Solution

Question

Basic Math

image

You are interested in estimating the the mean lifespan of a cell phone. From past data, you estimate that the standard deviation to be approximately 1.3 years. What sample size would you need to in order to estimate the mean lifespan of a cell phone, with a 90% confidence level, to within 0.5 years?Sample Size: n ?

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: Zin AI - Your personal assistant for all your inquiries!
Become a Member

Other questions asked by students

Q

Iodine 131 is a radioactive isotope that decays as time passes. The function M(t) = 200e-0.093t...

Basic Math
Q

Select from the terms below to answer questions #17-22. One term is not used. R) Genomic imprinting S)...

Biology
Q

sketch, label & discuss the lattice structure showing the bonding & sketch band diagram. Show the...

Electrical Engineering
Q

Suppose a certain company gave raises of 3% each year for three years followed by...

Basic Math
Q

A data set of monthly expenditures rounded to the nearest dollar incurred at coffee shops...

Statistics
Q

2.1 Calculate the total income, total expenses and net profit (loss) for the month ended...

Accounting
Q

This Question: 6 pts This Test: 100 pts possibi 25 of 30 (20 camplctc) The...

Accounting
Q

Please do not copy it is a request, thank you Business: Opening a new restaurant...

Accounting
Q

Accounting
Q

P22-4A Svetlana Pace es directora de publicidad de Bargain Shoe Store. Actualmente est trabajando en...

Accounting
Q

Analyze and explain each horizontal analysis ( balance sheet and income statement) give explanation in...

Accounting
Q

Crane Company produces three versions of baseball bats: wood, aluminum, and hard rubber. A condensed...

Accounting