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Mathematics, 21.06.2019 21:40
Scores on the cognitive scale of the bayley-scales of infant and toddler development range from 1 to 19, with a standard deviation of 3. calculate the margin of error in estimating the true mean cognitive scale score, with 99% confidence, if there are 12 infants and toddlers in a sample.
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Mathematics, 22.06.2019 04:40
A. 15 degrees b. 45 degrees c. 30 degrees d. 60 degrees
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Mathematics, 22.06.2019 05:30
Select the two binomials that are factors of this trinomial x^20 - x - 20
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