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 are the intercepts of x^2 +8x+16

Education is the best legacy a person can give a child. write for or against the motion.

find the distance around one-fifth of a circle with diameter of 14 inches

How were the two periods of colonization the same, and how did they differ?

Which is an abiotic factor that can be found in a rain forest ecosystem? OA. Water OB. Trees O C. Animals D. Bacteria

The function f(x) = ex-3 when evaluated for f(4) is equivalent to?

1. What is Protection monitoring? Describe why protection monitoring is done with Internally Displaced Persons (IDP) and IDP returnees?. (15 Points) 2. People e

can somebody please answer correctly i will give brainlist?

What are the drawbacks for karnali province as it doesn't comprise any land of terai

if the unit rate is 30 miles per hour , then how much miles is traveled in 9 hours