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

Which decimal is equivalent to 13/20?

which number is 100 less than 38 tens

which accurately describes a tangent

Indicate which pattern of evolution is shown by the many species of finches on the Galápagos Islands.

A boy jumps into a cold swimming pool and his body temperature goes down. His muscles, blood vessels, and nervous system work together to restore his body tempe

The areas of two circles are 36(pi) and 64(pi). What is hte ratio of the diameters? of the circumferences?

Write good insulators around the home

The square root of 617 is between which two numbers?

which accurately describes a tangent

Which of the following can fix nitrogen? Answer A.human industrial processes B.lightning C.certain bacterial species D.all of the above