Normal Distribution – Medium (A Level only)
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Question 1 of 25
1. Question
Find a when: X∼N(1.26,0.38^2 )P(X≤a)=0.24692
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Question 2 of 25
2. Question
Find a when: X∼N(3.63,0.83^2 )P(X≤a)=0.67212
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Question 3 of 25
3. Question
Find a when: X∼N(6.89,0.16^2 )P(X≤a)=0.75412
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Question 4 of 25
4. Question
Find a when: X∼N(9.72,0.77^2 )P(X≤a)=0.64194
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Question 5 of 25
5. Question
Find a when: X∼N(2.37,0.21²)P(X≤a)=0.03904
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Question 6 of 25
6. Question
Find a when: X∼N(1.02,0.81²)P(X≥a)=0.11316
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Question 7 of 25
7. Question
Find a when: X∼N(8.15,0.63²)P(X≥a)=0.59410
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Question 8 of 25
8. Question
Find a when: X∼N(9.34,0.17²)P(X≥a)=0.97725
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Question 9 of 25
9. Question
Find a when: X∼N(7.52,0.56²)P(X≥a)=0.19568
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Question 10 of 25
10. Question
Find a when: X∼N(3.29,0.36²)P(X≥a)=0.02429
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Question 11 of 25
11. Question
Find a when: X∼N(2.04,0.81²)P(X≥a)=0.90042
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Question 12 of 25
12. Question
Find a and b when: X∼N(8.09,0.93²)P(a≤X≤b)=0.34086P(X≤b)=0.46145
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Question 13 of 25
13. Question
Find a and b when: X∼N(5.76,1.81²)P(a≤X≤b)=0.20061P(X≤b)=0.75335
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Question 14 of 25
14. Question
Find a and b when: X∼N(6.31,1.52²)P(a≤X≤b)=0.48068P(X≤b)=0.67507
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Question 15 of 25
15. Question
Find a and b when: X∼N(8.93,0.65²)P(a≤X≤b)=0.46663P(X≤b)=0.54288
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Question 16 of 25
16. Question
Find a when: X∼N(3.73,0.21^2 )P(X≤a)=0.90073
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Question 17 of 25
17. Question
Find a and b when: X∼N(4.27,1.68²)P(a≤X≤b)=0.41228P(X≤b)=0.84844
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Question 18 of 25
18. Question
Find a and b when: X∼N(2.99,2.31²)P(a≤X≤b)=0.30616P(X≤b)=0.80789
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Question 19 of 25
19. Question
Find a and b when: X∼N(8.96,1.32²)P(a≤X≤b)=0.55109P(X≤a)=0.23353
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Question 20 of 25
20. Question
Find a and b when: X∼N(6.26,1.37²)P(a≤X≤b)=0.24588P(X≤a)=0.17886
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Question 21 of 25
21. Question
Find a and b when: X∼N(3.33,1.72²)P(a≤X≤b)=0.22763P(X≤a)=0.42393
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Question 22 of 25
22. Question
Find a and b when: X∼N(8.17,1.58²)P(a≤X≤b)=0.24316P(X≤a)=0.45716
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Question 23 of 25
23. Question
Find a and b when: X∼N(8.62,0.59²)P(a≤X≤b)=0.59357P(X≤a)=0.14666
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Question 24 of 25
24. Question
Find a and b when: X∼N(6.57,1.79²)P(a≤X≤b)=0.19290P(X≤a)=0.59492
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Question 25 of 25
25. Question
Find a and b when: X∼N(4,1.43²)P(a≤X≤b)=0.25782P(X≤a)=0.24218
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