Mathematics, 18.04.2020 05:45 KiwiJelly2587
The distribution of random variable R has mean 10 and standard deviation 4. The distribution of random variable S has mean 7 and standard deviation 3. If R and S are independent, what are the mean and standard deviation of the distribution of R−S ? Mean 3 and standard deviation 1
A. Mean 3 and standard deviation 5
B. Mean 3 and standard deviation 7
C. Mean 17 and standard deviation 1
D. Mean 17 and standard deviation 5
Answers: 1
Mathematics, 21.06.2019 16:30, jimyyyy
Which composition of similarity transformations maps polygon abcd to polygon a'b'c'd'? a dilation with a scale factor less than 1 and then a reflection a dilation with a scale factor less than 1 and then a translation a dilation with a scale factor greater than 1 and then a reflection a dilation with a scale factor greater than 1 and then a translation
Answers: 3
Mathematics, 21.06.2019 19:00, aliviafrancois2000
Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?
Answers: 2
The distribution of random variable R has mean 10 and standard deviation 4. The distribution of rand...
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