Cedric has 1 red pen, 1 blue pen, and 1 black pen in his desk. if he randomly takes two of them from his desk without replacement, what is the probility that he will take the blue and black pen?

Probability that Cedric will take the blue and black pen is .

Step-by-step explanation:

Total No of pen on Desk = 3

Without replacement means each time next pen is drawn the total no of pen decreases by 1.

So, Probability of Drawing a blue and black pen

= P(Blue) × P(Black) + P(Black) × P(Blue)

=

=

=

Therefore, Probability that Cedric will take the blue and black pen is .

step-by-step explanation:

most likely the answer is a.

alice wins if a total of 5 is rolled. finn wins if a total of 9 is rolled.

the total estimated nappy use.=10,500,000

step-by-step explanation:

given that on an average the average baby uses 3528 napkins.

in a particular year 2014, the number of births were 299697 in new south wales.

rounding off the number of births to the nearest hundred thousand we have

no of birtsh = 300000

also rounding off the average usage to nearst thousand we get

average use of a baby = 3500

hence total number of nappy estimated to be used = 3500x300000

= 10,500,000

answer is 10,500,000 nappies