b. What is the standard deviation of the amount deducted from the total purchase? (Round-your answer to 2 decimal places.)Standard deviation4 Belk Department Store is having a special sale this weekend. Customers charging purchases of more than $50 to their Belk creditcard will be given a special Belk Lottery card. The customer will scratch off the card, which will indicate the amount to be taken off thetotal amount of the purchase. Listed below are the amount of the prize and the percent of the time that amount will be deducted fromthe total amount of the purchase.Prize Amount$102550100Probability.50400802Click here for the Excel Data FileMeana. What is the mean amount deducted from the total purchase amount?

From the provided information,Prize amount (x)Probability P(x)100.50250.40500.081000.02

Answered: Belk Department Store is having a…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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The student council is hosting a drawing to raise money for scholarships. They are selling tickets for $5 each and will sell 600 tickets. There is one $3,000 grand prize, four $400 second prizes, and eighteen $30 third prizes. You just bought a ticket. Find the expected value for your profit. Round to the nearest cent.
The student council is hosting a drawing to raise money for scholarships. They are selling tickets for $9 each and will sell 600 tickets. There is one $1,000 grand prize, three $400 second prizes, and eleven $40 third prizes. You just bought a ticket. Find the expected value for your profit. Round to the nearest cent.
The student council is hosting a drawing to raise money for scholarships. They are selling tickets for $10 each and will sell 500 tickets. There is one $2,000 grand prize, three $400 second prizes, and fifteen $30 third prizes. You just bought a ticket. Find the expected value for your profit. Round to the nearest cent.

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