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

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

Which notations represent different isotopes of the element sodium? (1) 32S and 34S (3) Na+ and Nao (2) S2- and S6+ (4) 22Na and 23Na

Name one problem that led to the Civil War.

What type of formula represents the simplest whole number ratio of atoms of the elements in a compound? (1) molecular formula (2) condensed formula (3) empiric

What is the color of the indicator thymol blue in a solution that has a pH of 11? (1) red (3) pink (2) blue (4) yellow

whats the y intercept of y= 1/2 log(x+1)-log(2x+10)

Which element reacts spontaneously with 1.0M HCl (aq) at room temperature? (1) copper (3) silver (2) gold (4) zinc

A 1-gram sample or a compound is added to 100 grams of H2O(l) and the resulting mixture is then thoroughly stirred. Some of the compound is then separated from

What is the “rule of law”?

What was one important thing that Abraham Lincoln did?

Who does a U.S. Senator represent?