N2006 P2 Q23 [Modified]

N2006 P2 Q23 [Modified]

5 marks
Past Year National Exams
Free

Two fair dice, one red and the other green, are thrown.

\(A\) is the event: The score on the red die is divisible by \(3\).

\(B\) is the event: The sum of the two scores is \(9\).

  1. Justifying your conclusion, determine whether \(A\) and \(B\) are independent.[2]
  2. The experiment is repeated multiple times. How many times must the experiment be conducted, so that the probability that \(B\) occurs at least once exceeds \(0.98\)?[3]

Video Solution:

Default solution

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  2. List item image
Answer:(a) \(A\) and \(B\) are not independent (b) \(34\) times

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