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

Put these in order of size, smallest first 0.1. 30% 1/5
How does modern Congress differ from the earlier Congresses?
7 people decide to share 3/8 of a bag of marbles equally. What fraction of the bag of marbles does each person receive
Whose ideas are most closely associated with the term "dictatorship of the proletariat"?
divide 28 in the ratio of 3:4
an angelfish was 1 1/2 inches long when it was bought. Now it is 2 1/3 inches long. how much has angelfish grown?
an art teacher has a box of markers. he gives 15 markers to each students.he has 18 students.the teacher has 124 markers left over how many markers were in the
How do u work out what fraction is equal to 1/8
_____ is a word that is usually a verb but is being used in a sentence as a different part of speech. An indicative verb A verbal A participle An adverb
what does it mean when someone dream of 1550?