Martin has a pencil case which contains 4 blue pens and 3 green pens. Martin picks a pen at random from the pencil case. He note

Question

lina2011 [118]

3 years ago

12

Martin has a pencil case which contains 4 blue pens and 3 green pens. Martin picks a pen at random from the pencil case. He note

s its colour, and then replaces it. He does this two more times. Work out the probability that when Martin takes three pens, exactly two are the same colour. (3 marks)

Mathematics

2 answers:

Pavlova-9 [17] · Answer 1 · 2022-10-27T02:29:33+03:00

Pavlova-9 [17]3 years ago

8 0

Answer:

How does this make sense? What are you asking?

Step-by-step explanation:

adoni [48] · Answer 2 · 2022-10-27T04:51:32+03:00

adoni [48]3 years ago

6 0

Answer: How do you not understand this?

I understand it perfectly.

Step-by-step explanation: