A scientist claims that only 65% of geese in his area fly south for the winter. He tags 55 random geese in the summer and finds that 17 of them do not fly south in the winter. If = .05, is the scientist's belief warranted?
A) Yes, because the test value 0.64 is in the noncritical region.
B) No, because the test value 0.70 is in the critical region.
C) Yes, because the test value -0.70 is in the noncritical region.
D) No, because the test value -0.64 is in the noncritical region.

Question

A scientist claims that only 65% of geese in his area fly south for the winter. He tags 55 random geese in the summer and finds that 17 of them do not fly south in the winter. If  = .05, is the scientist's belief warranted?
A) Yes, because the test value 0.64 is in the noncritical region. 
B) No, because the test value 0.70 is in the critical region. 
C) Yes, because the test value -0.70 is in the noncritical region. 
D) No, because the test value -0.64 is in the noncritical region.

Quizplus · Accepted Answer

The Answer of A scientist claims that only 65% of geese in his area fly south for the winter. He tags 55 random geese in the summer and finds that 17 of them do not fly south in the winter. If  = .05, is the scientist's belief warranted?
A) Yes, because the test value 0.64 is in the noncritical region. 
B) No, because the test value 0.70 is in the critical region. 
C) Yes, because the test value -0.70 is in the noncritical region. 
D) No, because the test value -0.64 is in the noncritical region.

A Scientist Claims That Only 65% of Geese in His