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Probability · 2021 · 25 Jul · Shift 2

2 Mathematics questions from this JEE Main paper
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Probability · 2021 · 25 Jul · Shift 2

2 Mathematics questions from this JEE Main paper

  1. Q38.Let X be a random variable such that the probability function of a distribution is given by P(X=0)=21​,P(X=j)=3j1​(j=1,2,3,...,∞). Then the mean of the distribution and P(X is positive and even)…
    Mathematics · Probability · MCQ
  2. Q45.A fair coin is tossed n-times such that the probability of getting at least one head is at least 0.9. Then the minimum value of n is ​.
    Mathematics · Probability · Numerical