Developing Expert Voices

Sandra's Shopping Adventure By: Michelle Winter & Jessie Boyd

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[object Object],[object Object],[object Object]

5. After a hard year for Sandra, she still works at the clothing store. She is in charge of putting all the new shipments onto the floor. She knows thatout of every box 15% are broken. A new shipment of jewelry comes in, for every package of 200 pieces what is the probability that: a) exactly 25 will be broken? b) 25 or more will be broken?

[object Object],[object Object],[object Object],[object Object],There are two different ways to solve this question. On you calculator or by hand .

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[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],2 km 3 km 30 degrees 30 degrees 70 degrees 42 degrees 112 degrees Resultant vector

2 km 3 km 30 degrees 30 degrees 70 degrees 42 degrees 112 degrees Resultant vector Angle A Angle C Angle B Side C Side B Side A With all angles and sides lettered, it will be easy to follow the TRISOLV application on you calculator.

[object Object],Resultant vector 4.183 km =

[object Object],Resultant vector 4.183 km. = 30 degrees 41.683 degrees 30 + 41.683 = 71.683 degrees (The bearing)

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[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],60 days of gathering interest The amount of interest on the credit card The present amount on her credit card She isn’t making any payments yet and we aren’t looking for any The answer for the future value on the card after the 60 days of gathering interest The payments are calculated monthly The money is compounded daily because it is a credit card The payments are compounded at the end of the month

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],24 months of gathering interest The amount of interest added on through the bank The price of the loan taken out The monthly payments she will have to make to pay off her loan In the end she wants a future value of 0 The payments are calculated monthly The money is compounded monthly The payments are compounded at the end of the month

[object Object],[object Object],We are looking at 200 pieces of jewelry Out of every box there Is a probability 15% are broken Outcome of exactly 25

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