thelonlyones666 thelonlyones666
  • 18-11-2022
  • Advanced Placement (AP)
contestada

The random variable X takes on the values of 2, 5, n, and 15. The probability distribution of X is shown in the following table.

X | 2 5 n 15
P(X)| 0.1 0.4 0.2 0.3

The expected value of X is 9.1. What is the value of n?

Respuesta :

Otras preguntas

Brief definition of climate change
encryption is best described as
Which property of equality would you use to solve the equation 14x = 56
steps for patient medication decrease 25 mg per day for one week. Whats the change at end of the week?
How do I solve c=2πr
What Sony game system offered more computer power "than NASA used to put a man on the moon"?
which scenario portrays a round character? A. the slimy alien slithered up the side of the glass building, his toxic aura killing any human that neared him. B.
In a recent survey of 974 voters, 724 indicated that they were in favor of a new city park, while the other 250 voters said that they were opposed. Using this
Normal line to the curve y=ln(2x+a) at x=1 is perpendicular to x-4y+2 = 4ln3. Find the value of a.
Do I need a proctor for a high school academic review?