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lorasvet [3.4K]
3 years ago
6

Can someone please help me with all the questions ​

Mathematics
2 answers:
nikdorinn [45]3 years ago
7 0

Answer:

the answer is 7

Step-by-step explanation:

LuckyWell [14K]3 years ago
4 0

Answer

i don't think people wanna do it

Step-by-step explanation:

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Two standard deviations

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The Z score is obtained using the mean and standard deviation, according to the empirical. Rule, which gives percentage of values that lie within an interval estimate in a normal distribution ;

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Hence, for the question given, 95% fall within 2 standard deviations of the mean

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