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October 23, 2014

October 23, 2014

Posted by **Sandra** on Saturday, November 23, 2013 at 2:51pm.

- Statistics -
**Kuai**, Saturday, November 23, 2013 at 3:59pmUse. Population proportion

Ho: p = 0.2

Ha: p > 0.2

if P-value is greater than significance level

fail to reject Ho:

if P-value is less than significance level

Reject Ho.

z = 2.80

p-value = p ( z > 2.8) = 0.003

Reject the null hypothesis. There is sufficient evidence indicate that more than 20% of the women soda drinkers drink the diet soda.

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