Answer:
The answer is "Option a".
Step-by-step explanation:
Using the binomial distribution:

In this the maximum value which is significantly low,
, and the minimum value which is significantly high,
, that is equal to:

Answer:
b.
Step-by-step explanation:
SA = 2<span>(<span><span><span>wl</span>+<span>hl</span></span>+<span>hw</span></span><span>)
SA = </span></span>2<span>(<span><span><span>(3)(10)</span>+<span>(8)(10)</span></span>+<span>(8)(3)</span></span><span>)
Multiply:
SA = 2(30 + 80 + 24)
Add:
SA = 2(134)
Multiply:
SA = 268</span></span>