This is for Statistics and probability

The following regression predicts grade point average (GPA) in high school students as a function of their count of extracurricular activities, hours studied a week, whether or not they have been expelled, and biological sex (male or female). Coefficient p-value Intercept -0.86 0.26 Count of Extracurricular Activities 0.13 0 Hours Studied 0.02 0.03 Expelled (1=yes, 0=no) -0.81 0.7 Female (1=female, 0=male) 0.38 0.27 Using this table, how much would GPA increase with one additional extracurricular activity, all else equal? QUESTION 2 The following regression predicts grade point average (GPA) in high school students as a function of their count of extracurricular activities, hours studied a week, whether or not they have been expelled, and biological sex (male or female). Coefficient p-value Intercept -0.86 0.26 Count of Extracurricular Activities 0.13 0 Hours Studied 0.02 0.03 Expelled (1=yes, 0=no) -0.81 0.7 Female (1=female, 0=male) 0.38 0.27 Using this table, how much would GPA increase with one additional hour studied, all else equal?The following regression predicts grade point average (GPA) in high school students as a function of their count of extracurricular activities, hours studied, whether or not they have been expelled, and biological sex (male or female). Coefficient |p-value Intercept 2.87 0.84 Count of Extracurricular Activities |0.02 0.03 Hours Studied 0.01 0.06 Expelled (1=yes, 0=no) 0.08 0.14 Female (1=female, 0=male) -0.38 0.35 Using this table, what would we expect the GPA to be for a girl who has been expelled, who studies 2 hours a week, and participates in no extracurricular activities. QUESTION 4 The following regression predicts grade point average (GPA) in high school students as a function of their count of extracurricular activities, hours studied, whether or not they have been expelled, and biological sex (male or female). Coefficient |p-value Intercept 2.85 0.25 Count of Extracurricular Activities |0.05 0.01 Hours Studied 0.04 0.06 Expelled (1=yes, 0=no) 0.01 0.16 Female (1=female, 0=male) -0.07 0.84 Using this table, what would we expect the GPA to be for a boy who has been expelled, studies 5 hours a week, and participates in 2 extracurricular activities