Mathematics, 30.11.2019 05:00 galfaro19

# The random variable x is normally distributed with mean 5 and standard deviation 25. the random variable y is defined by y = 2 + 4x. what are the mean and the standard deviation of y ? the mean is 20 and the standard deviation is 102.

a) the mean is 20 and the standard deviation is 50.

b) the mean is 22 and the standard deviation is 102.

c) the mean is 22 and the standard deviation is 100.

d) the mean is 22 and the standard deviation is 50.

Answers: 3

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Given the quadratic function f(x)=3x^2-24x+49 a. use ācompleting the squaresā to convert the quadratic function into vertex form b. state the vertex c. find the x and y intercepts d. graph the function

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Iāve been trying all day to figure this puzzle out. i need the work for it aswell. it is a factoring polynomials tarsia. the image is below.

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The random variable x is normally distributed with mean 5 and standard deviation 25. the random vari...

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