STA 220: Statistics (4224_J101)
1. Question 1
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A sample of 1200 college students was asked to classify their height as short,
average, or tall. The results of the survey are shown by gender in the contingency
table below. Use this table to answer problems 1 – 8.
One of the college students is selected at random. Events are defined as follows:
F={person is female}, M={person is male}, S={person is short}, A={person is
average}, T={person is tall}
What is P(F) ? Enter your answer as a decimal with 2 decimal places.
Your Answer:0.55
2. Question 2
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What is P(T) ? Enter your answer as a decimal with 4 decimal places.
Your Answer:0.1125
3. Question 3
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What is P(not F) ? Enter your answer as a decimal with 2 decimal places.
Your Answer:0.45
4. Question 4
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What is P(F and T) ? Enter your answer as a decimal with 4 decimal places.
Your Answer:0.0525
5. Question 5
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