Kxspxxn
Kxspxxn Kxspxxn
  • 02-05-2018
  • Mathematics
contestada

there are 3 black marbles in and 4 red marbles in a bag. what is the probability that you will pick two black marbles put of the bag without replacing the first one?

Respuesta :

konrad509
konrad509 konrad509
  • 16-07-2018

[tex] |\Omega|=7\cdot6=42\\
|A|=3\cdot2=6\\\\
P(A)=\dfrac{6}{42}=\dfrac{1}{7}\approx14\% [/tex]

Answer Link

Otras preguntas

Is radiation from the sun always harmful?
according to the biological species concept, individuals belong to the same species if they can interbreed in nature and produce viable, fertile offspring. prez
when does the umbilical cord develop
similarities between dna and rna
a single general ability that influences all areas of intellectual functioning is called the
equation for photosynthesis
Mario walked at a rate of 2/3 mile every 10 minutes. What was his rate in person hour? A.)4 B)6 2/3 C)9 D)15
which of the following diagram depicts the logic of use case descriptions. it shows the information that passes between objects in the system and throughout the
Your family wants to purchase a new laptop with a 17” widescreen. Since the 17 inches represents the diagonal measurement of the screen (upper corner to lower c
what is another name for bacteria, viruses, fungi, or parasites that the immune system fights off?