Betty picks 4 random marbles from the bowl containing 3 white, 4 yellow, and 5 blue marbles the probability that exactly 1 of the 4 marbles drawn is blue is [blank]. the probability that atleast 1 of the 4 marbles drawn is white is [blank]

0.0884

Step-by-step explanation:

Given that Betty picks 4 random marbles from the bowl containing 3 white, 4 yellow, and 5 blue marbles.

Prob that exactly 1 of the 4 marbles drawn is blue is

= Prob one ball blue and others non blue

= Prob one ball from 5 blue and 3 others from 7 non blue

=

Answer is 0.0884

it is a. 4.2 because 7.6-3.4 gets the remaining length of 4.2. i might be wrong but i am pretty sure this is the answer.