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Mathematics 18 Online
OpenStudy (xxbatmanevoxx):

HORRIBLE MATH SKILLZ I NEED HELP NO SUPRISE THERE The SAT mathematics scores in the state of Florida for this year are approximately normally distributed with a mean of 500 and a standard deviation of 100. Using the empirical rule, what is the probability that a randomly selected score lies between 500 and 700? Express your answer as a decimal.

OpenStudy (xxbatmanevoxx):

So I said 47.5 but when it says express as a decimal does it mean like 0.475

OpenStudy (xxbatmanevoxx):

@YanaSidlinskiy I need help @xGuardians I need help

OpenStudy (yanasidlinskiy):

Are you taking statistics class?

OpenStudy (xxbatmanevoxx):

No I'm in Algebra this is the statistics part

OpenStudy (xxbatmanevoxx):

Its the last Unit

OpenStudy (yanasidlinskiy):

Oh wow. Ok. I took statistics class the whole part and went through this but yes. That would be in decimal form.

OpenStudy (xxbatmanevoxx):

the 0.475

OpenStudy (yanasidlinskiy):

yes

OpenStudy (xxbatmanevoxx):

ok I seriously hate math I'm only in 7th grade

OpenStudy (xxbatmanevoxx):

pure hatred

OpenStudy (yanasidlinskiy):

Definitiely can tell

OpenStudy (yanasidlinskiy):

Wait what? where did you get the number from?

OpenStudy (xxbatmanevoxx):

I divided 95 by 2 because of the um 68-95-99.7 rule

OpenStudy (yanasidlinskiy):

|dw:1461898606610:dw|

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