sharonbullock3998 sharonbullock3998
  • 20-03-2018
  • Mathematics
contestada

Suppose x has a distribution with mean 10 and variance 4, y has a distribution with mean 20 and variance 9. you can find the mean of x + y with this information.

Respuesta :

LammettHash
LammettHash LammettHash
  • 21-03-2018
If this is a true/false question, then the answer is true. If you're supposed to find the mean of [tex]X+Y[/tex], then we get

[tex]\mathbb E[X+Y]=\mathbb E[X]+\mathbb E[Y]=10+20=30[/tex]

since expectation is linear.
Answer Link

Otras preguntas

- ¿Por qué las ciudades de Aguascalientes y Querétaro fueron elegidas para la reunión de los distintos grupos revolucionarios?
What was Wilson’s final proposal of his 14 point plan he brought to the peace conference? Last question answer was bot^^
Correct answer gets Brainliest! Write the slope-intercept form of the equation of the line through the given points through {-3,-3) , slope= 2/3
What is the goal of bio-control?​
5. Which element of effective communication means that useful information is provided to help the receiver of the message understand a particular subject? Direc
10 points!!!! read the passage below to determine whether it’s ethos, pathos, or logos! - include all that you see, include a rhetorical device to match it as w
48% of the children in a summer camp are boys. If there are 1536 boys, how many children are there in the summer camp?
What do the constitution and bill of rights say about religion.
What is a neural network psychology.
4. Gordon purchased 5 false teeth and 10 fake spiders and spent a total of $35. The price of the false teeth is two less than than four times the price of the s