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cestrela7 [59]
3 years ago
9

một mẫu ngẫu nhiên gồm 100 giấy báo điểm cho thấy điểm trung bình là 21,2 điểm. giả sử tổng thể có độ lệch chuẩn là 2,5. với mức

ý nghĩa 0,04 hãy kiểm định khẳng định điểm trung bình là 21 điểm
Mathematics
1 answer:
goldenfox [79]3 years ago
5 0

Answer:

hello bro

Step-by-step explanation:

plzz can you translate it on english

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