Express Courier Service has found that the delivery time for packages is normally distributed with...
80.2K
Verified Solution
Link Copied!
Question
Statistics
Express Courier Service has found that the delivery time for packages is normally distributed with mean 14 hours and standard deviation 3 hours USE SALT a For a package selected at random what is the probability that it will be delivered in 18 hours or less Round your answer to four decimal places b What should be the guaranteed delivery time on all packages in order to be 95 sure that the package will be delivered before this time Hint Note that 5 of the packages will be delivered at a time the guaranteed time period Round your answer to one decimal place hr
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!
