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dmitriy555 [2]
3 years ago
12

Nghiên cứu chiều cao của những người trưởng thành, người ta nhận thấy rằng chiều cao đó tuân theo quy luật phân phối chuẩn với t

rung bình là 175 (cm) và phương sai là 16 (cm2 ). a) Tìm tỷ lệ người trưởng thành có chiều cao trên 181 (cm). b) Tìm tỷ lệ người trưởng thành có chiều cao từ 163 (cm) đến 179 (cm). c) Nếu biết rằng 33% người trưởng thành có chiều cao dưới mức h (cm), hãy tìm h
English
1 answer:
s2008m [1.1K]3 years ago
6 0

Answer:

my answer is b) Tìm tỷ lệ người trưởng thành có chiều cao từ 163 (cm) đến 179 (cm).

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