(Answered) Height and the z distribution question 1 elenaa 15year-old

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Height and the z distribution, question 1: Elena,a 15year-old girl, is 58 inches tall. The Centers for Disease Control (CDC) indicate that the average height for girls at this age is 63.80 inches, with a standard deviation of 2.66 inches

Calculate Elenas z-score
What percentage of his are taller?
What percentage off girls are shorter?
How much would Elena have to grow to be perfectly average?
If Sarah is in the 75th percentile for height at age 15, how tall is she?
How much would Elena have to grow in order to. Be at the 75th percentile with Sarah?

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