If the probability that an object dropped from a certain height will strike…
PYQ TCS NQT 2024
If the probability that an object dropped from a certain height will strike the ground is 80% and 12 objects are dropped from the same place, find the mean and variance of the number that strike the ground.
- A.
9.6, 1.92
- B.
8.6, 1.92
- C.
9.6, 1.82
- D.
8.6, 1.82
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