Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents

Your guest activity stays on this device

Sign in to save progress →
Sign in

Probability · 2020 · 7 Jan · Shift 1

1 Mathematics questions from this JEE Main paper
Guest · filters and generic practice availableBrowsing as a guest · PYQ filters and generic practice are available. Sign in only for personalised features and saved progress.
  1. PYQ Library
  2. /JEE Main
  3. /Papers
  4. /2020 · 7 Jan · Shift 1
  5. /Mathematics
  6. /Probability

Probability · 2020 · 7 Jan · Shift 1

1 Mathematics questions from this JEE Main paper

  1. Q40.An unbiased coin is tossed 5 times. Suppose that a variable X is assigned the value of k when k consecutive heads are obtained for k = 3, 4, 5, otherwise X takes the value -1. Then the expected value of X, is :
    Mathematics · Probability · MCQ