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Get Full Access to Statistics: Informed Decisions Using Data - 5 Edition - Chapter 1.5 - Problem 3
Get Full Access to Statistics: Informed Decisions Using Data - 5 Edition - Chapter 1.5 - Problem 3

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ISBN: 9780134133539 240

## Solution for problem 3 Chapter 1.5

Statistics: Informed Decisions Using Data | 5th Edition

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Statistics: Informed Decisions Using Data | 5th Edition

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Problem 3

What is bias? Name the three sources of bias and provide an example of each. How can a census have bias?

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A) How many units must be sold to breakeven B) What is the dollar amount coming in for the dollar amount going out -- should they be the same when you breakeven Guided Practice : 1)A grocer needs to mix raisins at $2.00 per pound with granola at$3.25 per pound to obtain 10 pounds of a mixture that costs $2.50 per pound.How many pounds of raisins and how many pounds of granola must be used 2)A coin purse contains a mixture of 15 coins in nickels and dimes.The coins have a total value of$1.10.Determine the number of nickels and the number of dimes in the purse. 3)A wine company needs to blend a California wine with a 5% alcohol content and a French wine with a 9% alcohol content to obtain 200 gallons of wine with a 7% alcohol content.How many gallons of each kind of wine must be used 4)You invested $7,000 in two accounts paying 6% and 8% annual interest,respectively.If the total interest earned for the year was$520,how much was invested at each rate 5) C(x) = 105x + 70,000,R(x) = 245x i.What is the proﬁt function ii.Find the break-even point,and the amount of money being earned as well as the amount being spent once you break even.(Remember,these two values should be the same.) 6)There are 180 people at a civic club fundraiser.Members paid $4.50 per ticket and nonmembers paid$8.25 per ticket.If the total amount raised was \$1,222.50,how many members and how many nonmembers attended the event

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