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Running Head: PROBABILITY
Probability theory is a very crucial subject and forms the basis of statistical theory and its
application. Its application include insurance options, sports strategies, and weather forecasts,
making business, games and recreational activities. In real life the probability as well as the ability
to understand and estimate the likelihood of an event to happen are very crucial. On this discussion
post we will consider a survey of 30 people and find out the number of left handed and right handed
to construct a contingency table.
From a survey of 18 men and 12 women, it was found that 3 out of the 18 men were lefthanded. Also, 1 out of the 12 women was left-handed. The contingency table was created as shown
1 (C )
11 (D )
1. If a person is randomly selected from the survey participants, what is the probability that
the person will be left-handed?
A + B + C + D 30 15
𝒐𝒓 𝟏𝟑. 𝟑𝟑𝟑𝟑%
2. If you randomly choose a female from the people you surveyed, wha...
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