The time to complete an exam is approximately Normal with a mean 50 minutes and...

70.2K

Verified Solution

Question

Statistics

image

The time to complete an exam is approximately Normal with a mean 50 minutes and a standard deviation a 9 minutes The bell curve below represents the distribution for testing times The scale on the horizontal axis is equal to the standard deviation 1 Fill in the indicated boxes 30 20 0 50 9 20 30 2 Used the Empirical Rule to complete the following statements 95 of testing times were between minutes and Question Help Vides 53 minutes of the testing times were between 41 minutes and 59 minutes

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