Question

If two balls are drawn in succession without replacement from an urn containing 4 red balls and 5 blue balls. If the value of the random variable X represents the number of blue balls, what is the probability of getting two blue balls?
A. 1/2
B. 1/3
C. 1/4
D. 1/8

PLEASE ANSWER MY QUESTION PROPERLY. I REALLY NEED A DECENT ANSWER

Answer 1

Answer:

Food chains are important because they show the intricate relationships in ecosystems. They can reveal how each organism depends on someone else for survival. Food chains also display what happens when a problem occurs and a producer or consumer is lost. Entire communities can collapse.