Question-98

A repairman services five washing machines each day. For each machine, there is a \(50\%\) chance that the repair will involve installing a specific part. Find the probability that at most one washing machine out of the five will need this part for installation.

• \(\dfrac{1}{32}\)

• \(\dfrac{5}{32}\)

• \(\dfrac{6}{32}\)

• \(\dfrac{3}{32}\)

NoteHint

NoteAnswer

• \(\dfrac{1}{32}\)

• \(\dfrac{5}{32}\)

• \(\dfrac{6}{32}\)

• \(\dfrac{3}{32}\)

NoteSolution