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MAT 251 Probability and Mathematical Statictics (Khaled Mohamad)
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A survey takes place in a school. 100 students were selected. 52 were females and 48 were males. The survey was about their preference for cats and dogs. The survey results are summarized in the following two-way table
Preference | Male | Female | Total |
Prefer cats | 10 | 26 | 36 |
Prefer dogs | 36 | 20 | 56 |
No preference | 2 | 6 | 8 |
Total | 48 | 52 | 100 |
What is the probability that randomly selected student prefers dogs or cats?
Write Python program which draws boxplot for column Score.
sns.--------(x = df['Score'])
Write Python program which calculates Q3 for column Height.
df['Height'].--------------
Write Python program which get the dataset df based on height less than 20 in column Height.
df = df[---------]
Note: don't leave spaces
A survey takes place in a school. 100 students were selected. 52 were females and 48 were males. The survey was about their preference for cats and dogs. The survey results are summarized in the following two-way table
Preference | Male | Female | Total |
Prefer cats | 10 | 26 | 36 |
Prefer dogs | 36 | 20 | 56 |
No preference | 2 | 6 | 8 |
Total | 48 | 52 | 100 |
Are the events "prefers dogs" and "prefers cats" mutually exclusive?