Seudónimo Seudónimo

01-06-2022
Mathematics

contestada

The graph shows the probability distribution of a random variable.
What is the value of P(4≤X≤8)?

0.40
0.45
0.50
0.55

The graph shows the probability distribution of a random variable What is the value of P4X8 040 045 050 055 class=

Respuesta :

01-06-2022

The answer is 0.50.

P(4<=X<=8)=P(x=4)+ P(x=5)+ P(x=6)+ P(x=7)+ P(x=8)= 0.05+ 0.15+0.15+0.15 +0 = 0.50

Notice that in 8 the line touches the x axis so it’s corresponding probability is 0.

Answer Link

Otras preguntas

3/4, -7/10, -3/4, 8/10, put in order from least to greatest

a car's velocity changes from 32m/s to 96m/s in an 8.0-s period. what is its acceleration?

a joint stock company was

Compared to "In Trying times," the diction of "Girls Can We Educate We Dads?" is more a. emotional b. abstract c. dejected d. informal

Which economic system did British policies after the french and Indian war support? mercantilism free market command traditional

How did the development of irrigation systems improve living conditions? a. It gave people a surplus of food. b. It made people switch from hunting to herding.

How did the development of irrigation systems improve living conditions? a. It gave people a surplus of food. b. It made people switch from hunting to herding.

Article One of the Constitution illustrates how the national government's power is (4 points) Select one: a. derived from the states and the people b. granted t

when did the holocaust end

Which number is greater than 7.23 and less than 7.55? 7.59;7.17;7.6;7.3