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Probability question

2025 · 22 Jan · Shift 1 · Q35
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  5. /2025 · 22 Jan · Shift 1 · Q35

Probability question

2025 · 22 Jan · Shift 1 · Q35

JEE MainMathematicsProbabilityMCQ+4 / −1
A coin is tossed three times. Let XXX denote the number of times a tail follows a head. If μ\muμ and σ2\sigma^2σ2 denote the mean and variance of XXX, then the value of 64(μ+σ2)64\left(\mu+\sigma^2\right)64(μ+σ2) is:
  1. A
    64
  2. B
    32
  3. C
    51
  4. D
    48
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