Question

Assume that 2000 births are randomly selected and exactly 1009of the births are girls. Use subjective judgment to determine whether the given outcome is​ unlikely, and also determine whether it is unusual in the sense that the result is far from what is typically expected.

Determine whether exactly 1009 girls out of 2000 randomly selected births is unlikely.

A. It is unlikely because the probability of this particular outcome is very​ small, considering all of the other possible outcomes.

B.It is unlikely because it is not 1000 as expected.

C.It is not unlikely because girls are slightly moremore common than boys.  

D.It is not unlikely because 1009 is about half of 2000

Determine whether exactly 1009 girls out of 2000 randomly selected births is unusual.

A.It is not unusual because1009 is about the number of girls expected.

B.It is not unusual because1009 girls out of 2000 births is the only possible outcome.

C.It is unusual because girls are less common than boys.

D.It is unusual because it is not1000 as expected.

Answer 1

TOPIC:Sample proportion and population proportion.