Outcome A B C D Probability 0.5 0.3 ? ? What is the probability of the outcome (A or B)? a. 0.3 c. 0.8 b. 0.5 d. 0.15 Please select the best answer from the choices provided A B C D

0.8

Step-by-step explanation:

Given :

Outcome - - - - A - - - - - B - - - - - C - - - - - D

Probability - - 0.5 - - - 0.3 - - - - - -? - - - - -?

Probability of the outcome (A or B) :

(A or B) is the union of two outcomes, that is union of outcome A with the the outcome of B. Usually interpreted as containing elements of both A and B.

The probability denoted as (A or B) of two different outcomes is the sum of the individual probability of A and probability of B

Therefore,

(A or B) = 0.5 + 0.3 = 0.8

Triángulo equilátero = todos los 3 lados son congruentes ("equilátero" = lados iguales)

Triángulo isósceles = solo 2 lados son congruentes

Triángulo escaleno = todos los lados son diferentes

El triángulo que se muestra aquí es isósceles porque 2 de los lados tienen la misma longitud de 7 cm.