Chapter 5.1, Problem 27E

To determine

To find: the convincing evidence that researcher is less than a 47 percent shooter.

Answer to Problem 27E

No, because it is plausible (believable) that the she would make 3 or fewer shots by chance alone.

Explanation of Solution

Given:

3 of the 10 shots are made

Although, it is observed that there are three dots above 3 and one dot to the left in the dot plot of the previous exercise and therefore it is likely to get 3 or fewer made shots when the shooter has 47% probability of making the shot.

This then implies that it is likely to get the sample results and therefore there is no convincing evidence that researcher is less than a 47% shooter (as it is plausible to make 3 or fewer shots by chance alone).

Hence, the correct option is (c)