A Club Professional at a Major Golf Course Claims That $$\alpha = 0.05$$

Multiple Choice

A club professional at a major golf course claims that the course is so tough that even professional golfers rarely break par of 68. The scores from a random sample of 20 professional golfers are listed below. Find the
Critical value to test the club professionalʹs claim. Use $$\alpha = 0.05$$ $$\begin{array} { l l l l l l l l l l } 67 & 65 & 68 & 68 & 71 & 70 & 62 & 74 & 68 & 73 \\65 & 67 & 69 & 69 & 76 & 74 & 68 & 70 & 71 & 61\end{array}$$

A) 4
B) 3
C) 2
D) 1