libbyfisher11111 libbyfisher11111
  • 01-02-2021
  • Mathematics
contestada

A and B are two mutually exclusive events.
P(A) = 0.3 and P(A or B) = 0.7
Work out the value of P(B).

Respuesta :

reguser315
reguser315 reguser315
  • 01-02-2021
If the events are mutually exclusive, then P(B)=P(A or B)-P(A). This is 0.7-0.3, which is 0.4.
Answer Link

Otras preguntas

I NEED HELP ASAP!!!PLEASE EXPLAIN THE ANSWER
Who innovated an aeroplane? ​
what is the solution ?​
Determine the value of k if 12x2 + kx/ 4x= 3x – 5.
ZA and ZB are complementary angles. If m A = (8x + 27)° and m ZB = (6x – 21)°, then find the measure of ZB.
ZA and ZB are supplementary angles. If m_A= (5x + 25)° and m ZB = (3x + 19)°, then find the measure of ZB.
2x = 5x - 10 is equivalent to -3x = -10. True or false
What is the distance between the following points? y > 2 3 4 5 6 7 8 9 -2- . -4 -5 -6 -7+ -8 -9
2x = 5x - 10 is equivalent to -3x = -10. True or false
Ms. Turner _____ surprised to find out that I ___________from the same town she does. A) is/come B)was/had come C) is/had come D) was/come