Mathematics · Probability
A man takes a step forward with probability 0.4 and backward with probability 0.6. The probability that at the end of eleven steps he is exactly one step away from the starting point is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 111C5 (0.4)6 (0.6)5
- 211C6 (0.4)6 (0.6)5
- 311C6 (0.24)5✓
- 411C6 (0.24)6
Correct answer
11C6 (0.24)5
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