Logo
Home Study Material Contact Search
AI Chat FREE
  1. mathematics
  2. statistics
  3. many people consider their smart phone to be essen

Many people consider their smart phone to be essentiall Communication news Internet entertainment photos and...

70.2K

Verified Solution

Question

Statistics

image

Many people consider their smart phone to be essentiall Communication news Internet entertainment photos and just keeping current are all conveniently possible with a smart phone However the battery better be charged or the phone is useless Battery life of course depends on the frequency duration and type of use One study involving heavy use of the phones showed the mean of the battery life to be 12 75 hours with a standard deviation of 2 3 hours Then the battery needs to be recharged Assume the battery life between charges is normally distributed AUSE SALT a Find the probability that with heavy use the battery life exceeds 13 hours Round your answer to four decimal places b You are planning your recharging schedule so that the probability your phone will die is no more than 5 After how many hours should you plan to recharge your phone Round your answer to the nearest tenth of an hour hours

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

Programming
1.2K views

What are the UNIX commands for each of these steps? 1. Delete all the files in...

Physics
1.2K views

• Describe data quality issues when using multiple sources. *pls cite

Psychology
1.2K views

1.Initial studies with the Wason card-selection task demonstrated that: a.People can reason with abstract material as well...

Electrical Engineering
1.2K views

Write an assembly language program for 8051 microcontroller to find the sum of the following series, 1, -2,...

Biology
1.2K views

Which of the following plate boundaries involves the plates sliding past each other O Convergent...

Biology
1.2K views

What is the morphology and arrangement of the bacteria in this figure?Morphology is staphylo; arrangement...

Basic Math
1.2K views

A helicopter is flying at an elevation of 320 feet.It is within sight of the...

Basic Math
1.2K views

A 95% confidence interval is computed to estimate the mean household income for a city....

Basic Math
1.2K views

Suppose that there were a strong correlation between the variables d and f.Which of these...

Accounting
1.2K views

La corporacin compr una mquina por 1 milln. Los gastos de flete e instalacin ascendieron...

Accounting
1.2K views

Are C corporations a better way to run a business? please give examples

Accounting
1.2K views

GAAP's definition for inventory and provision of guidelines for inventory accounting, as compared to IFRS...