Answer:

The number of occurrence that involve blue is 4
Step-by-step explanation:
Given


Required
Determine the sample space
To determine the sample space, we have to select a card number and write it alongside the marble colours.
i.e.

Solving (b): Outcomes that involves blue marble
First, we list them out

Number of occurrence is 4
Answer:
-24
Step-by-step explanation:
3(-6)+-6
-18+-6
-24
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Answer: Where is the question?
Step-by-step explanation:
Answer:
should be b = 8/a-3
Step-by-step explanation: