Homework Help: college statistics

Posted by melba on Saturday, June 9, 2012 at 5:06pm.

consider a population with a mena =51.6 and a sd=5.9 (A) calculate the z score for x= 50.5 from a sample of size 47. (b) could this z score be used in calculating probabilities using table 3 in appendix b in text book ahy or ahy not

college statistics - PsyDAG, Sunday, June 10, 2012 at 1:04pm
It would help if you proofread your questions before you posted them.

Z = (score-mean)/SD

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion related to the Z score. Multiply by 47.

Is this your "table 3 in appendix b"?

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