2006
Mathematics
67ca00ce0c643c71d77dee1f
The table above shows the distribution of recharge cards of four major GSM operators. What is the probability that a recharge card selected at random will be GTN or Qtel?
A.
3/20
B.
1/4
C.
2/5
D.
3/4
Correct Answer: 2/5
Explanation
P(GTN) = 5/20 P(Qtel) = 3/20 ∴P(GTN or Qtel) = (5/20) + (3/20) = 8/20 = 2/5
P(GTN) = 5/20 P(Qtel) = 3/20 ∴P(GTN or Qtel) = (5/20) + (3/20) = 8/20 = 2/5THIS WEEK's
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