Logo
Home Study Material Contact Search
AI Chat FREE
  1. mathematics
  2. statistics
  3. question 5 [4] a courier service company has found

QUESTION 5 [4] A courier service company has found that their delivery time of parcels to clients...

70.2K

Verified Solution

Question

Statistics

QUESTION 5 [4]

A courier service company has found that their delivery time ofparcels to clients is approximately normally distributed with amean delivery time of 30 minutes and a variance of 25 minutes(squared).

a) What is the probability that a randomly selected parcel willtake between 26 and 42 minutes to deliver? (2)

b) What is the maximum delivery time (minutes) for the 2.5% ofparcels with the shortest time to deliver? (2)

Answer & Explanation Solved by verified expert
4.4 Ratings (643 Votes)
Solution We are givena We are required to findUsing the zscore formula we haveUsing the    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

Q

what will be the count after 2251 pulses when the counter starts at 0000? show steps...

Electrical Engineering
Q

A Electromagnetic force Gravitational force C Strong nuclear force Gravitational force Which pair does not...

Physics
Q

Refer to figure 2 E1 Find a the magnitude b x an y components and...

Physics
Q

A nurse hangs a 1000 milliliter IV bag which is set to drip at 125...

Basic Math
Q

Question 36 2 points Identify whether the following data set is a population or a...

Algebra
Q

Informacin requerida Al 31 de diciembre de 2019, los registros financieros de la empresa Armani...

Accounting
Q

Vaughn Manufacturing has two divisions; Sporting Goods and Sports Gear. The sales mix is 80%...

Accounting
Q

Depreciation by three methods; partial yearsLayton Company purchased tool sharpening equipment on October 1 for...

Accounting
Q

A companys flexible budget for 12,500 units of production showed sales, $50,000; variable costs, $20,000;...

Accounting
Q

Winnipeg Co. purchased 8,000 shares of Bittner Company's common shares on January 1, 2006 for...

Accounting
Q

Upon starting your new job after college, youve been confronted with selecting the investments for...

Finance
Q

Homework ACC-690 Module Three Quiz Problem Two The Fratilo Co. had three operating segments with...

Accounting