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

PLZZZ HELP ME SOLVE!!!!!!!
What happens to pressure as temperature increases and temperature decreases
15. What is a thermograph? a device that uses infrared sensors to create pictures that show variations in temperature an infrared lamp used for heating purposes
Who was the 7th president of the United States​
Which is the simplified form of the expression (6 to the power of -2 times 6 to the power of 5) to the -3rd power? A)6 to the 30th power B)1 over (6 to the powe
I need help on this quick
6. A new car has an MSRP of $29,999, and it comes with a premium package priced at $2500, a navigation package priced at $500, and a destination charge of $700.
Consider the equation y = -2x + 5. Create a table of five ordered pairs that satisfy the equation. What is the y-intercept of the equation? What is the x-interc
Ewangelia swietego mateusza
Identify the correct sentence. A. As a young​ naturalist, Charles Darwin traveled around the world and made many discoveries on a small British navy​ ship, HMS