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

What military strategy defeated cornwallis at yorktown?

The skeletal system does all of the following EXCEPT (A) support. (B) transport. (C) protect. (D) digest. (E) store.

what is 1/9 of 60 equal

The skeletal system does all of the following EXCEPT (A) support. (B) transport. (C) protect. (D) digest. (E) store.

What is does the phrase foe to ambition.

which organism would more closely resemble it's parent,one produced by asexual reproduction,or one produced by sexual reproduction? why?

Due to a membership drive for a public television station, the current membership is 125% of what it was a year ago. The current membership in 1200. How many me

How far does Franklin Roosevelt deserve his reputation as one of the greatest US presidents?

three things scientists learned about earth in beginning of 1800s

find an equation of the tangent line to the circle x^2 +y^2=24 at the point (-2 square root 5, 2).