Mathematics, 04.05.2021 03:10 Gillo34
Which are the skew lines in the picture?
1. PQ and SR
2. XY and WZ
3. WZ and ZY
4. RY and PS
Answers: 2
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1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?
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Which are the skew lines in the picture?
1. PQ and SR
2. XY and WZ
3. WZ and ZY
...
2. XY and WZ
3. WZ and ZY
...
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