strawberrykiwianna
strawberrykiwianna strawberrykiwianna
  • 22-07-2020
  • Mathematics
contestada

p(a)= .5, p(b)= .4, and p(a and b)= .15. what is p(a OR b)

Respuesta :

Alfpfeu
Alfpfeu Alfpfeu
  • 22-07-2020

Answer:

Step-by-step explanation:

Hello

p(A∪B) = p(A) + p(B) - p(A∩B) = 0.5 + 0.4 - 0.15 = 0.9 - 0.15 = 0.75

hope this helps

Answer Link

Otras preguntas

Which Russian tsar built St. Petersburg on the Baltic Sea to serve as Russia's "window on the West"? a. Alexander I b. Peter the Great c. Ivan the Great d. Nic
1. Write three Spanish words that utilize the “ta” sound.
A right cylinder has a diameter of 40 mm and a height of 30 mm, as shown. Semester Test, Part 1 What is the volume of the cylinder? a. 37,680 mm3 b. 1256 mm3
Find the diameter of the base of a right cylinder if the surface area is 128(pi) and the height is 12cm.
A solution containing large amount of solute in comparison to solvent is... A ) aqueous, b. concentrated, c. Diluted, and d. soluble
What is 1,345/9 rounded to the nearest integer
Today, the Great Pyramid at Giza near Cairo, Egypt stands 137 meters tall, coming to a point.Its base is a square with each side measuring 230 meters wide. What
How do u change the wallpaper on an Apple Watch
Which statement BEST describes the effects that stress has on the immune system? A. Stress can lead to increased vulnerability to infections and immune deficien
Which life cycle components appear only in mosses and ferns?