Mathematics, 05.11.2019 05:31, lisa5250
The port authority sells a wide variety of cables and adapters for electronic equipment online. last year the mean value of orders placed with port authority was $47.28 and management wants to assess whether the mean value of orders placed to date this year is the same as last year. a sample of 100 orders placed this year collected and recorded below.
a)at the 5% level of significance, test whether the mean value of this year’s orders differs from last year’s mean orders.
b)port authority also wants to determine if the gender profile of its customers has changed from last year when 65% of orders were placed by male customers. test at 5% level
Answers: 1
Mathematics, 21.06.2019 22:30, lorilhuff8197
Proving the parallelogram diagonal theoremgiven abcd is a parralelogam, diagnals ac and bd intersect at eprove ae is conruent to ce and be is congruent to de
Answers: 1
Mathematics, 22.06.2019 00:00, MarMarMar07
Vinny is interviewing for a job. he wants his take home pay to be at least $42,000.what is the least salary he can earn if he pays 25% income tax?
Answers: 2
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