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2 Unit 2: Applied Mathematics A

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Question 74

Let X∼B(20,0.3)X\sim B(20,0.3)X∼B(20,0.3).

a.

Calculate P(X≤3)P(X\leq3)P(X≤3).

[2]
b.

Calculate P(X≥5)P(X\geq5)P(X≥5).

[2]
c.

Explain why the two answers do not add to 1.

[1]
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2 Unit 2: Applied Mathematics A Questions

  1. A Level
  2. /Maths
  3. /2 Unit 2: Applied Mathematics A

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