please answer the all
include all the steps please
Extracted text: 1. The primary aim of a study by Carter et al, was to investigate the effect of the age at mood disorders in the two groups of interest (Early age at onset defined to be 18 years or younger and Later age at onset defined to be later than 18 years). Suppose we pick a person at random from this sample. Family History of Mood Disorders Early-18 (E) Later > 18 (L) Total Negative (A) 28 35 63 Bipolar disorder (B) 19 38 57 Unipolar (C) 41 44 85 Unipolar and bipolar (D) 53 60 113 Total 141 177 318 a) What is the probability that this person will be 18 years old or younger (E)? (5 points) b) If it is known to be 18 years or younger (E) caleulate the probability that this subjeet will be one who has no family history of mood disorders (A)? (5 points) c) What is the probability that a perion picked at random will be Later (L.) and a person who has unipolar disorders (C)? (5 points) d) What is the probability that this person will be an Early age of onset subject (E) or will have a family history of bipolar disorders (B)? (5 points) e) Are the events of later (L) and having a family history of bipolat disorders (B) independent? (5 points)
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