The following two-way contingency table gives the breakdown of 300 randomly selected patrons at a grocery store according to the number of items purchased and whether or not the patron made an impulse purchase at the checkout counter. What is the marginal distribution for Impulse Purchase?

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step-by-step explanation:

1. practice, practice & more practice

2. review errors

3. master the key concepts

do not try to memorise the processes.

4. understand your doubts.

5. create a distraction free study environment

6. create a mathematical dictionary

7. apply maths to real world problems.

8

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