Question

There are some black pens, some blue pens, some red pens and some he even pens in a box. The table shows the probabilities that a pen taken at random from the box will be black or will be blue or will be red. colour : black, blue, red, green probability: 0.3 0.2 0.4 There are 200 pens in the box work out the number of black pens in the box

Answer 1

Answer:

oh I see

Step-by-step explanation:

Answer 2

Answer:

don't know

Step-by-step explanation:

probability ke agee x lagake karna hai