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Kavya tosses a coin in two rounds. In round 1 she gets heads with empirical probability 0.6 over 50 tosses. In round 2 she gets heads with empirical probability 0.5 over 30 tosses. What is the combined empirical probability of heads over all 80 tosses?

Class 9Coins and DiceStatistics
  • A0.5625
  • B0.55
  • C0.60
  • D0.50

Step-by-Step Solution

Round 1 heads = . Round 2 heads = . Total = 45/80 = 0.5625.
Answer: A) 0.5625

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