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To determine whether there is an attendance rate drop of a national conference this year (consider...

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Basic Math

To determine whether there is an attendance rate drop of anational conference this year (consider as 1) than last year(consider as 2), a sample of 400 people this year and a sample of400 people last year were selected. Given α=0.01. The data aresummarized below:

This Year Last Year Difference

Attending359                                378                       -19

Not Attending41                                  22                            19

Total number400                               400 400

(c) Is there sufficient evidence to indicate that there is anattendance rate drop of a national conference this year (consideras 1) than last year (consider as 2)?

Group of answer choices

No

Yes

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