03-09-2017
Mathematics

contestada

X and Y are two mutually exclusive events. P(X)= 0.55 and P(X or Y)=0.7. Work out P(not Y) (2 marks)

Respuesta :

mreijepatmat mreijepatmat

03-09-2017

P(x) = 0.55

P(x ∪ y) = 0.70 →→ P(x) +P(y) = 0.70 →→ 0.55 + P(y) =0.70→→P(y) = 0.15
If P(NOT y) = 1- 0.15 = 0.85

Answer Link

Otras preguntas

what was not the cause of the great depressiona. overproduction b. stock speculation c. under consumption d. foreign competition

What is 9 divided by 160

Describe the next figure in each pattern. Then draw the figure

how much more is 7/20 than 3/20

The sum of two numbers is 31.The product of the two numbers is 150. What are the two numbers?

How does the suffix change the meaning of the base word in instruction

Leonardo recorded his speed while skateboarding and determind he was traveling 18 feet per seconds. How many feet could he travel in one minute?

What is the climax for Rikki Tikki Tavi

Producing an RNA copy of a DNA strand is referred to as __________.

What did it mean Jess Drew like some people drank whiskey in the book bridge to terabithia