De dos variables x e y se sabe que la desviación típica de x es √3, la media y la desviación típica de y valen 1 y 2, respectivamente, y la ecuación de la recta de regresión de y sobre x es 2x+3y=6

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

An optical inspection system is used to distinguish among different part types. the probability of a correct classification of any part is 0.92. suppose that three parts are inspected and that the classifications are independent. let the random variable x denote the number of parts that are correctly classified. determine the probability mass function of x. round your answers to four decimal places (e. g. 98.7654). x f(x) 0 1 2 3

The border line of the linear inequality 4x + 7y < 5 is dotted true or false?