Statistics help Plz

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The us postal service believes 15% of the packages mailed during the holiday rush are delivered late. To test this claim they randomly select 228 packages during the holiday rush and find out that 24 are delivered late. test the postal services claim at a=.01

Jul 30th, 2015

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this question is not clear thats why tutors are avoiding it please.

Please let me know if you need any clarification. I'm always happy to answer your questions.
Jul 30th, 2015

Are you able to help me get the answer? So that I can understand it?

Jul 30th, 2015

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Jul 30th, 2015
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Jul 30th, 2015
Aug 17th, 2017
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