belljeremiah75
belljeremiah75 belljeremiah75
  • 23-04-2017
  • Mathematics
contestada

given a set of numbers n= {1,3,4,5,7}. if event a is the drawing of a number less than 4 and event b is the drawing of an even number, what is the probability that either event a or b will occur?

Respuesta :

irspow
irspow irspow
  • 23-04-2017
a OR b means that you add the individual probabilities...

P(<4)=2/5 and P(even)=1/5 so

P(<4 or even)=3/5
Answer Link

Otras preguntas

determine the equation in the form y=mx+b for passing through each pair of points (0,8) and (4,3)
Hi, can you help with this problem:(-50)/2
A car rental company sells accident insurance to 24% of its customers. Out of 550 customers, about how many customers are predicted to purchase insurance?
what caused the dust bowl
I am so confused on functions! Please help!
Maren walks 3/5 miles in 24 minutes at a steady pace.  How long does it take her to walk 2 miles.
Maren walks 3/5 miles in 24 minutes at a steady pace.  How long does it take her to walk 2 miles.
A population of 3.5 million bacteria increases by 488000 . How many bacteria are there now?
use reference angles to find the exact value of tan 405 deg
Though most volcanoes are mountains, most mountains are not volcanoes, why or why not?