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1.4.1 Binomial expansion for positive integer n

1.4.1 Binomial expansion for positive integer n

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Question 5

A biased coin has probability 0.3 of landing heads. The coin is tossed five times.

Use a term in the expansion of (0.3+0.7)5(0.3+0.7)^5(0.3+0.7)5 to find the probability of obtaining exactly two heads.

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1.4.1 Binomial expansion for positive integer n Questions

  1. A Level
  2. /Maths
  3. /1.4.1 Binomial expansion for positive integer n

108 exam-style questions on OCR A Level Maths 1.4.1 Binomial expansion for positive integer n. Each one has a worked solution and a mark scheme showing where the marks go.

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