Which of the following Python scripts calculates the mean of two variables, "Exam1" and "Exam2", from a CSV file called "ExamScores"? O import pandas as pd scores = pd.read_csv('ExamScores.csv') print(scores[['Exam1', 'Exam2']].median()) O import pandas as pd scores = pd.read_csv('ExamScores.csv') print(mean[['Exam1', 'Exam2']]) import pandas as pd scores = pd.read_csv('ExamScores.csv') print(scores[['Exam1', 'Exam2']].mean()) O import pandas as pd scores = pd.read_csv('ExamScores.csv') print(scores['Exam1', 'Exam2'].mean())Which of the following Python lines returns subset data for only the variables "survived" and "age" from a dataframe called "titanic"? Select one. titanic_read_variables[['survived,'age']] titanic[['survived"age'll [['survived,'age']] titanic O titanic('survived"age')Which Python module is used to create graphs? Select one. pandas or numpy O pandas or time numpy or math matplotlib or seabornWhich of the following Python lines will import data from a CSV file called "unemployment" into a Python dataframe called "unemployment"? Select all that apply. O import pandas unemployment = pandas.read_csv('unemployment.csv') O import numpy unemployment = numpy.read_csv('unemployment.csv') O import pandas as pd unemployment = pd.read_csv('unemployment.csv')What is the correct range for probability values? Select one. O Between -10 and 10 O Between -1 and 0 O Between -1 and 1 O Between 0 and 1