What is the quadratic regression equation that fits these data?
-4,40
-3,28
-2,10
-1,8
0,7
1,10
2,16
3,26
4,40
А. y= 1.64х + 1.24x+8.08
В. y= 0.82x +0.78х + 7.23
ОООО
с. у= 16.76 - 1.02
D. у= 2.13х + 0.13х + 6.39

What is the probability of rolling a single die greater than 4

Determine the mean and variance of the random variable with the following probability mass function. f(x)=( 729divided by 91) (1 divided by 9) superscript x baseline comma x equals 1,2,3 round your answers to three decimal places (e.g. 98.765).

Under normal conditions, 1.5 feet of snow will melt into 2 inches of water. during a winter season high in the mountains, 301 feet of snow fell. how many inches of water will there be when the snow melts?