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Probability, SM-Bank 043 MC

Aurora rolls a standard six-sided die.

Which of the following events has a probability of less than 0.5?

  1. rolling a number greater than 1
  2. rolling an odd number
  3. rolling a number less than 5
  4. rolling a number greater than or equal to 6
Show Answers Only

\(D\)

Show Worked Solution

\(\text{Considering each option}\)

\(\text{Option A: }\ P\text{(number > 1)}=\dfrac{5}{6}=0.83\)

\(\text{Option B: }\ P\text{(odd number)}=\dfrac{3}{6}=0.5\)

\(\text{Option C: }\ P\text{(number < 5)}=\dfrac{4}{6}=0.67\)

\(\text{Option D: }\ P\text{(number}\geq 6)=\dfrac{1}{6}=0.17\ \checkmark\)

 
\(\Rightarrow D\)