Question

If 5 apples in a barrel of 25 apples are rotten, what is the expected number of rotten apples in a sample of 2 apples?

Answer 1

\[2\times \frac{5}{25}\]

Answer 2

A. 0.4

B. 1

C. 0.63

D. 0.33

Answer 3

another straight forward one, since the probabilty of getting a rotton one is \(\frac{5}{25}=\frac{1}{5}\)

Answer 4

multiply that by the number of apples you choose, namely 2 and get \(\frac{2}{5}\)

Answer 5

Decimal ? (: