Modifying Exercise: (Computer- Assisted Instruction Reducing Student Fatigue) One problem in CAI environments is student fatigue. This can be reduced by varying the computer's responses to hold the student's attention, so that various comments are displayed for each answer as follows. Possible responses to a correct answer Very good! Excellent Nice work! Keep up the good work! Possible responses to an incorrect answer No. Please try again. Wrong. Try once more. Dont give up! No. Keep trying Use random- number generation to choose a number from I to 4 that will be used to select one of the four appropriate responses to each correct or incorrect answer. Use a switch or if statement to issue responses. Modifying Exercise Computer- Assisted Instruction. Monitoring Student Performance) More sophisticated computer- assisted instruction systems monitor the student's performance over a period of time. Count the number of correct and incorrect responses typed by the student. After the student types 10 answers, your program should calculate the percentages that are corect If the percentage is lower than 75%, display "Please ask your teacher for extra help , then reset the program so another student can try it. If the percentage is 75% or higher, display "Congratulations you are ready to go to the next level! then reset the program so another student can try nt