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February 1, 2015

February 1, 2015

Posted by **Kate** on Tuesday, March 9, 2010 at 9:21pm.

Suppose that you have a die that may or may not be fair. On a rainy day, you toss the die 1500 times and record the outcome of each toss. After many hours and a tired arm, you found that you had rolled 282 fours. Using the following steps, conduct a hypothesis test to determine the strength of the evidence that the die is not fair.

Ho: p=1/6

Ha: p not equal to 1/6

What is the z-statistic for this test?

- Statistics -
**PsyDAG**, Wednesday, March 10, 2010 at 11:40amSE of proportion = sq rt of (pq/n)

when p = proprotion of 6s

and q = proportion of other values

I hope this helps.

- Statistics -
**kim**, Tuesday, March 16, 2010 at 1:59pmA card is picked at random from a pack of 20 cards numbered 1-20. given that the cards shows an even number, find the probability that it is a multiple of 4

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