lesleyy8288 lesleyy8288
  • 11-01-2024
  • Mathematics
contestada

let x be a random variable with mean 8 and variance 15, y be a random variable with mean -8 and variance 22, and the correlation between x and y be 0.31. find the variance of 7y - 6x 36.

Respuesta :

Otras preguntas

A person is 185 cm tall and casts a shadow 145 cm long. A nearby tree casts a shadow which is 212 cm long. Find the height of the tree in cm.
choose the better answer. A B C D -5 -4 -3 -2 -1 0 1 2 3 4 5 which point represents the orgin A. point B B. point C C. point
How do I even start?
What is the equation for "It costs $13 for admission to an amusement park, plus $1.50 for each ride. If you have a total of $35.50 to spend, what is the greates
Convert 36 cm/sec to mph
some pls help me pls this is a Ken Ken 4x4
Stan’s Sporting Goods is a competitor that can manufacture seven soccer balls out of a possible ten, if it makes one soccer net. Which statement correctly comp
Find the y-intercept for the graph of the quadratic function. y + 4 = (x + 2)
What was an important result of Justinian's reign in the sixth-century Western world?
a shop sells 1 chocolate for $1 each,you can exchange 3 wrappers for 1 chocolate.if you have $15 how many chocolates can you get?