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Mathematics 22 Online
OpenStudy (anonymous):

MEDAL AND FAN FAN AND MEDAL Linda pulls out a tie from a box containing blue, black, and red ties. She records the color and places it back into the box. The table below shows the frequency of each color after 100 ties are pulled out. Color of Ties Blue Black Red Number of Draws 25 20 55 How many red draws can you expect if the ties are pulled out 1,000 times? 200 250 450 550

OpenStudy (anonymous):

100x?=1000 10 so take red/55x10=550

OpenStudy (anonymous):

Thank you @roz_mar23 can you help me with one more?

OpenStudy (anonymous):

Mhm:)

OpenStudy (anonymous):

A spinner is divided into many sections of equal size. Some sections are red, some are blue, and the remaining are green. The probability of the arrow landing on a section colored red is 9 over 20. The probability of the arrow landing on a section colored blue is 6 over 20. What is the probability of the arrow landing on a green-colored section? 15 over 20 11 over 20 6 over 20 5 over 20

OpenStudy (anonymous):

9+6=15 so remaining is 5 which is left for green so 5 over 20

OpenStudy (anonymous):

thank you

OpenStudy (anonymous):

Your welcome:)

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