valeriabruh valeriabruh

03-05-2017
Mathematics

contestada

Use the given information to find the indicated probability.
P(A ∪ B) = .7, P(B) = .5, P(A ∩ B) = .3.

Find P(A).

Respuesta :

ghanami ghanami

05-05-2017

hello :
P(A ∪ B) = P(A) + P(B) - P(A ∩ B)
0.7 =P(A) + 0.5 - 0.3
P(A) = 0.7-0.5+0.3
P(A) = 0.5

Answer Link

Otras preguntas

Write a story about a person meeting someone whom they have not seen for a long time.

If a neighbor pushes a lawnmower six times as far as you do but exerts only one third the force, which one of you does more work and by how much?

4) True or False? Our town is growing with a doubling time of 40 years, so its population will triple in 120 years.

Getting started and staying motivated are two of the hardest parts of building a healthy lifestyle. What will make it easier to get started? What will help you

Following the Missouri Compromise, which factor created political tensions between the North and the South?

What are the different components that electronic banking provides?

A parabola has the following properties. Vertex at (–2, 1) directrix is x = 5 which equation represents this parabola?

The exam scores in Bryan's class are Normally distributed with a mean of 88 points and a standard deviation of 1.5 points. Exam Scores 83.5 85 86.5 88 89.5 91 9

write the decimal equivalent for this fraction 70/100

Which factor is measured to determine the winner of the shot-put competition? A. Time B. Speed C. Height D. Distance