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 forces or ideas motivated and inspired woman having rights to remake and reform society in these antebellum years?

Horatio wants to ship a batch of 8 machine parts. The packaging for each part weighs 2 pounds. If each part weighs x pounds, which expression represents the tot

Which of the following bonds is the most polar in nature: (1) Cl2 (2) HCl (3) HBr (4) HI

What is the blank? Blank+(-6)+(-3)=-17

The balanced chemical equation for the reaction between PCl5 and water is given below. If 3.45 moles of HCl are produced, how many moles of water reacted? PCl5

Jill traveled to Canada and bought a new lamp for $460 Canadian dollars. In US dollars (to the nearest cent) this is equivalent to? A) $517.77 B) $450.52 C) $57

belinda has a bag of beads. She uses 1/3 of the meads to make a bracelet and 3/5 of the beads to make a necklace. she uses 36 more beads to make the necklace. H

A 15 kg mass is moving at 7.50 meters per second on a horizontal, frictionless surface. What is the total work that must be done on the mass to increase it's sp

What are the factors that are tested by being varied by the experimenter?

What is the product of 4x/x-1 and x^2-1/3x-3