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Chapter 12: Q31. (page 636)

A coin is tossed four times. How many possible sequences of heads or tails are possible?

  1. 4
  2. 8
  3. 16
  4. 32

Short Answer

Expert verified

C) There are 16 possible sequences of heads or tails when a coin is tossed four times.

Step by step solution

01

Step 1. Given Information.

Given, a coin is tossed four times. It is to be determined how many possible sequences of heads or tails are possible.

02

Step 2. Calculation.

The possibility for each toss is either heads or tails i.e., 2 ways.

And the coin is tossed four times.

By the Fundamental Counting Principle, there are 2×2×2×2=16 possible sequences of heads or tails when a coin is tossed four times.

03

Step 3. Conclusion.

Hence, there are 16 possible sequences of heads or tails when a coin is tossed four times.

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