from a set of 1000 observations known to be normally distributed the mean is 534 cm snd sd is...

13.5 cm. how many observations are likely to exceed 561 cm? how many will be between 520.5cm and 547.5 cm? between what limits will the middle 50% of the observations lie?

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### from the set of 1000 observatins known to be normaly distribued the mean is 534c

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from the set of 1000 observatins known to be normaly distribued the mean is 534cm & sd is 13.5cm.....how many observations are likely to exeed 561cm ? how many will be between 520.5cm & 547.5cm ? between...

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