small mobile service provider (MSP) offers four different basic cell phone plans that are sold at a kiosk in a mall. The table below shows the sale amount for each plan (the upfront cost of each plan) as well as the probability that each plan will sell in a given day.  a. Complete the missing value in the following table. Do NOT round your answer! Plan Sale Amount (in dollars)

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 15CR
icon
Related questions
Question
A small mobile service provider (MSP) offers four different basic cell phone plans that are sold at a kiosk in a mall. The table below shows the sale amount for each plan (the upfront cost of each plan) as well as the probability that each plan will sell in a given day. 

a. Complete the missing value in the following table. Do NOT round your answer!

Plan Sale Amount (in dollars) Probability of Sale
Plan A 129.5 0.25
Plan B 165
________
Plan C 245.5 0.11
Plan D 284 0.42



b. What is the standard deviation of the sale amount for the kiosk on a given day?
Answer: ________$ Round to at least FIVE decimals if necessary


c. The kiosk owner earns a commission of 4.4% of each dollar earned from the sales made in a given day. They also earn a flat amount of 140 dollars per day. What is the expected amount of money the kiosk owner earns in a given day?
Answer: ________$ Round to at least FIVE decimals if necessary
 
Part c is most important

 

Expert Solution
steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Recommended textbooks for you
Holt Mcdougal Larson Pre-algebra: Student Edition…
Holt Mcdougal Larson Pre-algebra: Student Edition…
Algebra
ISBN:
9780547587776
Author:
HOLT MCDOUGAL
Publisher:
HOLT MCDOUGAL