A Nielsen study indicates that 18-to-34 year olds spend a mean of 93 minutes whatching video...

50.1K

Verified Solution

Question

Basic Math

A Nielsen study indicates that 18-to-34 year olds spend a meanof 93 minutes whatching video on their smartphones per week. Assumethat the amount of time watching video on a smartphone per week isnormally distributed and that the standard deviation is 15minutes.

1- What is the probability that an 18- to 34 year old spendsless than 77 minutes watching video on his or her smartphone perweek?

2- What is the probability that an 18- to 34- year old spendsbetween 77 minutes and 109 minutes watching video on his or hersmartphone per week?

3- What is the probability that an 18- to 34 year old spendsmore than 109 minutes watching video on his or her smartphone perweek?

4- One percent of all 18- to 34- year olds will spend less thanhow many minutes watching video on his or her smartphone perweek?

(Type it if possible)

Answer & Explanation Solved by verified expert
3.6 Ratings (541 Votes)
Solution    See Answer
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