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2 Unit 2: Applied Mathematics A

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Question 89

For a binomial random variable XXX, P(X=0)=0.16807P(X=0)=0.16807P(X=0)=0.16807 and P(X=1)=0.36015P(X=1)=0.36015P(X=1)=0.36015.

a.

Show that P(X=1)P(X=0)=np1−p\dfrac{P(X=1)}{P(X=0)}=\dfrac{np}{1-p}P(X=0)P(X=1)​=1−pnp​.

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b.

Given that n=5n=5n=5, find ppp.

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c.

Check your value using P(X=0)P(X=0)P(X=0).

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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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