valariehorne valariehorne

01-03-2017
Mathematics

contestada

Explain why this is or is not a probability distribution.

x
1
2
3
4

P(x)
0.2
0.1
0.4
0.2

Respuesta :

ChandrikaP ChandrikaP

04-03-2017

The sum of p(x) over all possible values of x is 1, that is

∑jpj=1

where j represents all possible values that x can have and pj is the probability at xj.

yes it is probability distribution

all sum is 0.9

all probability between 0 and 1

Answer Link

Otras preguntas

Which compound is a metabolic intermediate of the light-independent reactions in photosynthesis?

What is the equation of a line that is parallel to the line x=-2and passes through the point (-5, 4)?

which idea of de montique was included in the us constitution

An energy pyramid shows the amount of available at each feeding level in an ecosystem.

In the figure, the segment is parallel to one side of the triangle. The ratio of x to y is

What is the subject of the poem A Poison Tree by William Blake

A common literary device to leave readers in the middle of the action. Also the name of a Hollywood blockbuster starring Sylvester Stallone

Which of the following is NOT a solution that an individual can do? Use mass transit Stop using plastic water bottles Use the stores plastic bags Turn off u

True or false horizontal lines always have a slope of zero

how many mol of hydrogen in 2.8 mol of caffeine.