. Given that , find .
Answer and explanation
Correct answer: B. 0.0228
- Step 1: Standardise: . Step 2. . Answer: 0.0228. Why not the others: 0.9772: That is , the lower tail. 0.0456: That doubles the tail, which is the two-tailed value. 0.4772: That is the area between the mean and .
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