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2 Statistics

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Question 294

Rosa takes basketball free throws. She assumes that each throw is independent and that the probability of success on any throw is 0.3.

a.

Rosa takes 10 throws. Find the probability that at least 4 are successful.

[2]
b.

Rosa takes sets of 10 throws on each of 4 days. Find the probability that at least 4 throws are successful on exactly 2 of the 4 days.

[3]
Markscheme

2 Statistics Questions

  1. A Level
  2. /Maths
  3. /2 Statistics

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