P(50 < X < 70) for X ~ N(50, 10) ≈
- A
0.95
- B
0.34
- Ccheck_circle
0.48
- D
0.68
Explanation
z's are 0 and 2 → P(0 < Z < 2) ≈ 0.4772 ≈ 0.48.
The Normal Distribution
AP Statistics· difficulty 4/5
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AP Statistics· difficulty 4/5
P(50 < X < 70) for X ~ N(50, 10) ≈
0.95
0.34
0.48
0.68
Explanation
z's are 0 and 2 → P(0 < Z < 2) ≈ 0.4772 ≈ 0.48.
Want 10 more like this — adaptive to your weak spots?