kmoneyy6835 kmoneyy6835

25-05-2023
Mathematics

contestada

A random variable X is normally distributed with a mean of 121 and a variance of 121, and a random variable Y is normally distributed with a mean of 150 and a variance of 225. The random variables have a correlation coefficient equal to -0.5. Find the mean and variance of the random variable below W=9X-7Y

Respuesta :

Otras preguntas

How does the information challenge or redefine some of your thinking about the role of the first six years of life on your personality development

paraphrase on how to become a u.s. citizen

Work out (7 × 10^5) + (2 × 10^2) Give your answer in standard form.

Essay Writing. How to impart love and compassion to others.Please help me I really need this now.

55. Triple a number n minus 5 is 9 more than half the number. A. Write an equation for the sentence. B. What is the number n?

Find the measure of the exterior angles

Choose the definition for the function. (-x+ 2 a. y = x + 1 (-x+ 2 b. y = x + 1 { x < 1 x ≥ 1 x ≤1 x> 1 S-x+ 2 x+1 c. y = { (-x+ 2 d. y = x + 1 x > 1 x

37.84 is ten times smaller than

A negative charge of -2.0×10^ -4C and a positive charge of 8.0×10^ -4C are separated by 0.30 m. What is the force between the two charges?

The graph of y = -0.2x² is ____ the graph of y = x²