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A scientist claims that only 65% of geese in his area fly south for the winter. He tags 75 random geese in the summer and finds that 23 of them do...

A scientist claims that only 65% of geese in his area fly south for the winter. He tags 75 random geese in the summer and finds that 23 of them do not fly south in the winter. If a = 0.05 is the scientist's belief warranted?
possible answers:
yes, because the tset value 0.79 is in the noncritical region
no, because the test value 0.87 is in the critical region.
yes, because the test value of -0.87 is in the noncritical region.
No, because the test value -0.79 is in the noncritical region.

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Statistics and Probability-8096664.doc

A scientist claims that only 65% of geese in his area fly south for the winter. He tags 75 random
geese in the summer and finds that 23 of them do not fly south in the winter. If a = 0.05 is the...

Sign up to view the full answer

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