Answer:
(a)
(b)
(c)
Step-by-step explanation:
GIVEN: Miranda has a bag of marbles with
blue marbles,
white marbles, and
TO FIND: a) A Blue, then a red Preview
,b)A red, then a white Preview
,c) A Blue, then a Blue, then a Blue.
SOLUTION:
Total marbles in bag 
(a)
Probability of drawing blue marble 

As marble is not returned to bag,
Probability of drawing red marble 

(b)
Probability of drawing red marble 

As marble is not returned to bag,
Probability of drawing white marble 

(c)
Probability of drawing blue marble 

As marble is not returned to bag,
Probability of drawing second blue marble 

As marble is not returned to the bag
Probability of drawing third blue marble 
