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Mathematics 24 Online
OpenStudy (anonymous):

The table shows the results of a spinner with four colored sections. Use the table to answer the question. The spinner is spun 50 more times. Which is the best prediction for the number of times the spinner will stop on white?

OpenStudy (anonymous):

OpenStudy (anonymous):

@shelbydancer what do you think your first step would be? Keep in mind we need to know the probability of finding the number of times the spinner lands on white

OpenStudy (anonymous):

no i dont

OpenStudy (anonymous):

Okay so you'd need to tally the total number of spins in trial 1 which is 24+49+10+17 which equals 100 then we need to divide the total number of white spins by the total number of all the spins together 49/100= .49. So we landed on white 49% of the time.

OpenStudy (anonymous):

does this make sense?

OpenStudy (anonymous):

yep

OpenStudy (anonymous):

Okay so we know that we will be spinning the spinner fifty more times, so we need to multiply our probability of landing on white by our total number of spins. .49*50=24.5 spins or rounded up 25 spins is what is expected

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