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

how does the moon change in the course of the story "Embers of Moonlight"? use two details to support your response
What is the area of Figure ABCD? answer choices are A:54 B:60 C:66 D:72
Which is the correct order of materials in terms of reflectivity, from least to greatest? brown soil, beige sand, white paper, black asphalt white paper, beige
What were the effects of the Neolithic Revolution? Check all that apply
Mrs. Hilt read 21 books. Each book had exactly 2,010 words in it. She sold five of her books for $4.95 each. How many words did Mrs. Hilt read?
What was a goal shared by many advocates of manifest destiny
Someone please help!! 1). Evaluate C(20,18). A) 380 B) 190 2). Evaluate C(6, 6). A) undefined B) 1
How to find missing rate of interest
What are the solutions of the quadratic equation (x+3)2=49?
Which of the following are elements found in all state constitutions? Select all that apply. A. A bicameral legislature B. A direct initiative process C. Gover