Question on: JAMB Mathematics - 2006

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
Ask EduPadi AI for a detailed answer
Correct Option: C
P(GTN) = 5/20
P(Qtel) = 3/20
∴P(GTN or Qtel) = (5/20) + (3/20)
= 8/20
= 2/5

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