briannaharries09 briannaharries09

24-06-2020
Mathematics

contestada

If P(A)=0.4, P(A and B)=0.2,and P(A or B)=0.5, What is P(B)

Respuesta :

Alfpfeu Alfpfeu

24-06-2020

Answer:

[tex]\boxed{\ P(B)=0.3 \ }[/tex]

Step-by-step explanation:

Hi,

We know that

P(A or B)=P(A)+P(B)-P(A and B)

so P(B)= P(A or B) - P(A) + P(A and B)

so

P(B) = 0.5 - 0.4 + 0.2 = 0.3

thanks

Answer Link

Otras preguntas

What should be done to combat fake news?

When did industrialization emerge in the united states

Which is an example of a covalent bond?there are fewer than 16 valence electrons in 2 chlorine atoms, but they form a stable bond.chlorine accepts 1 electron fr

.Vast amounts of natural resources such as oil, gas, coal, and timber .Lack of warm water ports to export raw materials .Learning to operate a mixed economy aft

Could ΔABC be congruent to ΔADC by SSS? Explain. A) Yes, but only if AB ≅ DC. B) Yes, but only if BC ≅ DC. C) No, because AB is not congruent to AC. D) No,

the Supreme Court decision in Marbury v. Madison McCulloch v. Maryland and Gibbons v. Ogden are similar in that each resulted in?

During the age of absolutism, several European monarchs intensified the power of their authority by emphasizing their divine right to rule and

A manager oversees that employees complete jobs on time and follow policies.

Please help me 1.Which of the following sample spaces correctly lists all the possible outcomes for flipping a coin and spinning a four-colored spinner (red, b

plz help...............