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MHT CET20227 Aug 2022Evening ShiftMathematicsProbabilityActual

Following is the probability distribution of smart phones sold in a shop per day Then E(x)=

Options

  1. A2.45
  2. B2.55
  3. C0.55
  4. D0.75

Correct answer

A. 2.45

Step-by-step solution

k+0.3+0.15+0.15+0.1+2 k=1 k=0.1 Now E(x)= p_i x_i=2.45

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