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September 21, 2014

September 21, 2014

Posted by **suhad** on Friday, February 22, 2013 at 7:04am.

ƒÜ i) The proportion of students weight 48-62 kg.

ƒÜ ii) The proportion of those less than 72 kg.

ƒÜ iii) The proportion of those less than 50 kg ?

ƒÜ iv) If the highest 5% of are over-weight, what is the Minimum score for an over-weight.

- science -
**PsyDAG**, Friday, February 22, 2013 at 11:41amZ = (score-mean)/SD

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability for the Z scores.

For last problem, find Z score for 5% in smaller area and use its Z score.

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