Faced with rising fax costs, a firm issued a guideline that transmissions of 10 pages or...

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Faced with rising fax costs, a firm issued a guideline thattransmissions of 10 pages or more should be sent by 2-day mailinstead. Exceptions are allowed, but they want the average to be 10or below. The firm examined 35 randomly chosen fax transmissionsduring the next year, yielding a sample mean of 11.29 with astandard deviation of 3.00 pages.

    

(a-1)

Find the test statistic. (Round your answer to 4 decimalplaces.)

  

  The test statistic    

  

(a-2)

At the .01 level of significance, is the true mean greater than10?

Yes
No

  

(b)

Use Excel to find the right-tail p-value.(Round your answer to 4 decimal places.)

  

  p-value  

Answer & Explanation Solved by verified expert
4.0 Ratings (509 Votes)
n35 10 1129 s 300 001Ho 10Ha 10a1Find the test statistict 25439The teststatistic 25439Calculate the    See Answer
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