FR DISTRIBUSI NORMAL
Quiz
•
Mathematics
•
12th Grade
•
Practice Problem
•
Medium
Rikki Asmarandani
Used 4+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
0,7816
0,8761
0,6178
0,6761
0,7761
2.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Misalkan tinggi siswa kelas 11 berdistribusi normal dengan rata - rata 157cm dan simpangan baku 5,2cm. Jika jumlah siswa yang diteliti ada 10.000 siswa, maka jumlah isswa yang tingginya lebih dari 148,5cm adalah ....
9.844 orang
8.494 orang
9.000 orang
9.484 orang
9.944 orang
3.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Sebuah perusahaan bola lampu pijar mengetahui bahwa umur lampunya (sebelum putus) terdistribusi secara normal dengan rata - rata umurnya 700 jam dan standart deviasinya 30 jam. Probabilitas bahwa sebuah bolam produksinya berumur kurang dari 662,5 jam atau lebih dari 775 jam adalah ...
0,1118
0,3118
0,2118
0,5118
0,4118
4.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Luas daerah di bawah kurva normal baku yang diberi arsir adalah ...
P(0 < z < 1,14) + P(0 < z < 2,04)
[0,5 + P(0 < z < 1,14)] + [0,5 + P(0 < z < 2,04)]
[0,5 - P(0 < z < 1,14)] - [0,5 - P(0 < z < 2,04)]
[0,5 - P(0 < z < 1,14)] + [0,5 - P(0 < z < 2,04)]
5.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Sebuah mesin pengisi air minum diatur sedemikian hingga mengisi gelas rata-rata 210 ml. Air yang diisikan mesin ke gelas berdistribusi normal dengan simpangan baku 100 ml. Gelas yang berisi air minum lebih dari 333 ml sebanyak ...
10,93%
89,07%
87,08%
12,92%
6.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Luas daerah di bawah kurva P(Z<1,5) adalah ...
0,9332
0,9323
0,0668
0,0686
7.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
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