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4 Unit A2 2: Applied Mathematics (A-level only)

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Question 61

Given that X∼N(500,2500)X \sim N(500, 2500)X∼N(500,2500) find the following probabilities:

a.

P(X>545)P(X > 545)P(X>545)

[1]
b.

P(X<420)P(X < 420)P(X<420)

[1]
c.

P(480<X<550)P(480 < X < 550)P(480<X<550)

[1]
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4 Unit A2 2: Applied Mathematics (A-level only) Questions

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