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In a sample of 100 females, The vitDintake has a mean of610and a standard deviation of 70.Leave your answer up to two decimal places 1.

In a sample of 100 females, The vitDintake has a mean of610and a standard deviation of 70.Leave your answer up to two decimal places

1. What is the standard error of the sample mean vitD ?

2. What is the expected mean vitD intakein asample of 100 women?

3. What is the probability that themeanvitD intakeof a sampleof100 women exceeds the recommended daily allowance of600 international units (IUs) ?

4. Estimate the 99th percentile of the vitD intake forthe entire female population.

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