&gt; switch&#40;2, 2+2, mean&#40;1:10&#41;, rnorm&#40;5&#41;&#41;
A. 5
B. 5.5
C. NULL
D. All of the mentioned
Answer:A
&gt; switch&#40;2, 2+2, mean&#40;1:10&#41;, rnorm&#40;5&#41;&#41;
A. 5 B. 5.5 C. NULL D. All of the mentioned