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Mathematics 8 Online
zarkam21:

Help

zarkam21:

1 attachment
zarkam21:

@Vocaloid

Layla:

Your answer is C

zarkam21:

Are you sure and can I get an explanation?

Layla:

I am 100% percent positvite..... Well since it is asking you to proximate the choice you have to guess so the shaded part is ovisly more than half way, so it more than 50 so if it were 90% or higher there would a very tiny non shaded spave so the answer is 0.68

beckd7:

hello

dude:

Yes, I agree with @Layla because one standard deviation has a z-score of 0.34, so just add 0.34+0.34 and you get 0.68

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