We believe that 90% of the population of all Business Statistics students consider statistics to be an exciting subject. Suppose we randomly and independently selected 23 students from the population and observed fewer than five in our sample who consider statistics to be an exciting subject. Make an inference about the belief that 90% of the students consider statistics to be an exciting subject.
A) The 90% number is exactly right.
B) The 90% number is too high. The real percentage is lower than 90%.
C) The 90% number is too low. The real percentage is higher than 90%.
D) It is impossible to make any inferences about the 90% number based on this information.

Question

Quizplus · Accepted Answer

The observation of fewer than five students out of 23 considering statistics exciting suggests that the actual percentage is likely lower than 90%.

We Believe That 90% of the Population of All Business