Please answer the following questions one might need to be done in Excel)
a) [2 marks] Construct an approximate probability distribution for the age of ice on the Arctic Circle in 1984 and 2016,
The variable on the vertical axis of your probability distribution is the share of the Arctic Circle for each age of the ice, which tells you the chance a randomly chosen piece of ice has a particular age. In your probability distribution graph, you can label the age ranges as: 0.5 years, 1.5 years, 2.5 years, 3.5 years, and 4.5 years (the last one being for ice age ≥ 4). (Hint: It is approximate because you have to guess areas)
b) [1 mark] According to your probability distribution function, what is the expected value of the age of ice in 1984 and 2016?
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