Question 4 0 / 1 pts Research at PCC indicates that 50% of students change their major area of study after their first year in a program. A random sample of 100 students in the Business Division revealed that 48 had changed their major area of study after their first year of the program. Has there been a significant decrease in the proportion of students who change their major after the first year in this program? Test at the .05 level of significance. Find the T-stat? Leave answer in 2 decimal places O -0.39 O -0.90 O 0.38 O -0.13 O -0.82 O 0.90Question 5 0 / 1 pts An article in Pasadena Times reported that a job awaits only one in three new college graduates. The major reasons given were an overabundance of college graduates and a weak economy. A survey of 200 recent graduates from your school revealed that 80 students had jobs. At the .01 significance level, can we conclude that a larger proportion of students at your school have jobs? State the alternate hypothesis p-hat is sign -should be written in words HOW TO WRITE THE ANSWER: p-hat can be: less than, greater than or not equal to; and value should be 2 decimal places Answer 1: (You left this blank) Answer 2: (You left this blank)Question 3 0 / 1 pts An article in Pasadena Times reported that a job awaits only one in three new college graduates. The major reasons given were an overabundance of college graduates and a weak economy. A survey of 200 recent graduates from your school revealed that 80 students had jobs. At the .01 significance level, can we conclude that a larger proportion of students at your school have jobs? What is the population proportion? Leave answer in 2 decimal places O 0.35 0.32 0.30 O 0.33 O 0.34 O 0.31