Guys, please help me with this question I'm having trouble in solving this

Abag contains 3 blue and 2 green marbles. what is the probability of drawing a blue marble followed by a green marble, without replacing the first marble?

Acertain standardized? test's math scores have a? bell-shaped distribution with a mean of 520 and a standard deviation of 105. complete parts? (a) through? (c)

Find the balance at the end of 4 years if 1000 is deposited at the rate of