Logo
Home Study Material Contact Search
AI Chat FREE
  1. mathematics
  2. basic math
  3. question 1 the coffee shop a coffee shop knows fro

Question 1 The coffee shop A coffee shop knows from past records that its weekly takings...

60.1K

Verified Solution

Question

Basic Math

Question 1 The coffee shop A coffee shop knows from past recordsthat its weekly takings (sales) are normally distributed with amean of $10,500 and a standard deviation of $478. Answer thefollowing questions:

a. Find the probability that in a given week the coffee shopwould have takings of more than $10,700

b. Find the probability that in a given week the takings arebetween $9,800 and $11,000.

c. Calculate the inter-quartile range of weekly takings.

d. What are the maximum weekly takings for the worst 5% ofweeks?

Question 2 Normal model

a. A cut-off score of 79 has been established for a sample ofscores in which the mean is 67. If the corresponding z-score is 1.4and the scores are normally distributed, what is the standarddeviation?

b. The standard deviation of a normal distribution is 12 and 95%of the values are greater than 6. What is the value of themean?

c. The mean of a normal distribution is 130, and only 3% of thevalues are greater than 155. What is the standard deviation?

Answer & Explanation Solved by verified expert
3.5 Ratings (544 Votes)
solution 1 10500478a    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

Statistics
1.2K views

The birth weight of babies is approximately LOGNORMALLY distributed, with a mean of 3732 grams and...

Advance Math
1.2K views

Let G be a group of order 42 = 2 * 3 * 7 (a) Let...

Basic Math
1.2K views

Start from number 5 The following table shows the number of marriages in a given State broke...

Biology
1.2K views

Which bacterial group is most suitable for water biotreatment? A. R-tactics B. L-tactics C. K-tactics D. All of the above Which...

Programming
1.2K views

UO provides temporary office space in cities around the country. They have a standard office layout that...

Psychology
1.2K views

Blindsight is a paradoxical phenomenon where people with damage to the primary visual cortex can respond...

Advance Math
1.2K views

Please solve the following equation by using the frobenius method. xy?? ? (3 + x)y ? +...

Basic Math
1.2K views

A frog is at the bottom of a 14-foot well. Each day it crawls up...

Accounting
1.2K views

Flinstone Fabricating reported the following at December 31, 2018:Shareholders equity5% preferred stock -$30 par value60,000...

Accounting
1.2K views

TB MC Qu. 4-49 (Static) Jiminez Company paid its annual property... Jiminez Company paid its...

Accounting
1.2K views

presented here is information about Brady company's inventory. determine the missing amounts ...

Accounting
1.2K views

Please answer question 2. Budget Variances, Materials and Labor Cinturon Corporation produces high-quality leather...