MyGirl9904 MyGirl9904

25-07-2020
Mathematics

contestada

Please help! If P(A)=0.2 and P(A and B)=0.12, and P(A or B)=0.68, what is P(B)?

0.8
0.08
0.6
0.06

Respuesta :

ashleysong2012 ashleysong2012

25-07-2020

Answer:

P(B) = 0.6

Step-by-step explanation:

P(A and B) = P(A) * P(B)

0.12 = 0.2 * P(B)

P(B) = 0.6

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

0.68 = 0.2 + P(B) - (0.12)

P(B) = 0.6

Answer Link

Otras preguntas

If cosθ =1/3 , then sinθ = _____.

Periodista estamos hoy con el director de la asociación ecológica verde que te quiero verde. díganos, ¿es cierto que su grupo ya (1) (tener) más de 100.000 segu

what is atmosphere ? and lithosphere

why did the battle of manila bay happen?

Carlotta subscribes to the HotBurn music service. She can download no more than 11 song files per week. Carlotta has already downloaded 8 song files this week.

Literal equations A=bh/2 solve for h

What is 25.691 rounded to the greatest place

True or false a mixture is the chemical bonding of two or more substances in any proportion

If you drive for 2 hours, at 60 miles per hour, you will have traveled 120 miles. this is a very common type of calculation, involving three quantities: distanc

what is the irony of himmel street? describw himmel street in your answer? - the book thief