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shbensonjr shbensonjr
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2 weeks ago

The office of records at a university has stated that the proportion of incoming female students who major in business has increased. A sample of female students taken several years ago is compared with a sample of female students this year. Results are summarized below. Has the proportion increased significantly? Test at α = 0.10.

 

Sample Size

No. Majoring in Business

Previous Sample

250

50

Present Sample

300

69

Textbook 

Essentials of Statistics for Business and Economics


Edition: 7th
Authors:
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birdnuggetbirdnugget
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More solutions for this book are available here


H0:  PC– PP 0 
Ha:  PC– PP> 0 Z = 1.86; p-value = 0.0314; reject H0


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shbensonjr Author
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2 weeks ago
Thank you, thank you, thank you!
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Thanks for your help!!
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2 hours ago
this is exactly what I needed
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