In order for a candy company to claim that a bridge mix is mostly chocolate stars, a proportion of at least0.8 of the packages must contain 3ounces or more of chocolate stars. Quality control tests a random sample of50 packages to determine if the proportion is less than0.8 at a significance level of 0.05 . Use Sheet 5 of the Excel file to calculate p^ , the z- score, and the p-value.

p^=

z=

p=

Since the p-value is Greater or less than the significance level 0.05, the null hypothesis fails to be rejected or is rejected.

Sufficient or insufficient evidence exists that the proportion of packages with 3ounces or more of chocolate stars is less than 0.8 .

Sheet 5 of the Excel file

3.273525

3.725058

3.193881

3.380596

3.849062

2.688789

4.521501

2.876926

3.202865

3.760863

3.648738

3.155042

3.047772

2.331491

2.434267

3.316263

3.335704

3.123784

1.983015

4.026382

2.819852

3.020835

3.963952

3.434813

2.530151

3.501124

2.723868

3.734019

3.074854

2.94544

2.963046

3.301251

3.806637

2.49562

2.990224

2.548798

2.849587

3.55404

3.565047

3.383945

2.895875

3.960068

3.744978

4.034873

3.394484

4.637022

3.085

3.945715

2.590541

3.59302