Respuesta:
A) 22
B) 90%
Intervalos fi Fi hi Hi %
500-800 6 6 0.15 0.15 15%
800-1100 12 18 0.30 0.45 30%
1100-1400 10 28 0.25 0.7 25%
1400-1700 8 36 0.20 0.9 20%
1700-2000 4 40 0.1 1 10%
Total 40 1 100%
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Verified answer
Respuesta:
A) 22
B) 90%
Intervalos fi Fi hi Hi %
500-800 6 6 0.15 0.15 15%
800-1100 12 18 0.30 0.45 30%
1100-1400 10 28 0.25 0.7 25%
1400-1700 8 36 0.20 0.9 20%
1700-2000 4 40 0.1 1 10%
Total 40 1 100%