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# S1 Paper June 2009- Question 8 part c Watch

1. I'm having trouble with a normal distribtion question from June 2009, question 8 part c. I dont understand why the answer is 0.8416, where as in the normal dist table in the book, I get only 0.84.

Why is this?

Thanks

Qustion paper

http://www.xtremepapers.net/Edexcel/...%20S1%20QP.pdf

http://www.xtremepapers.net/Edexcel/...n/S1Jun09A.pdf
2. (Original post by liverpool1)
I'm having trouble with a normal distribtion question from June 2009, question 8 part c. I dont understand why the answer is 0.8416, where as in the normal dist table in the book, I get only 0.84.

Why is this?

Thanks

Qustion paper

http://www.xtremepapers.net/Edexcel/...%20S1%20QP.pdf

http://www.xtremepapers.net/Edexcel/...n/S1Jun09A.pdf

Use the percentage point table. It's just after the main normal distribution table.
3. Thanks

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