4 Do we know how many times the loop in Question #3 will repeat? Why or why not? Explain. 5. Wh at type of while loop is shown in Question #3 above? Circle the correct letter from the list below : a. EOF-controlled while loop b. Search-controlled while loop c. Sentinel value-controlled while loop d. Event or flag-controlled while loop e. Count-controlled while loop 6. Match the descriptions below with the type while loop that best fits the task. Use the letters (a-e) from Question #5 above A mobile app continuously runs in the background, helping prevent fraudulent use of your charge car If an unusual charge is detected. the app halts normal operation and displays a pop-up window requestin verification that you were the one who made the charge In a data file containing the id numbers and names of graduating seniors in the College of Science, stude nd the start of are grouped according to department. In order to indicate the end of one department' s dataa next, the number 88888888 is used as a separator t data for a certain material in order to perform some statis analysis. The analysis requires processing of all of the test data, starting from the beginning of the data continuing iteratively until all of the data has been processed. The exact amount of test data is not known of time source as above, but wants to analyze only the fi A mathematician wants to use the same test data data values ning the same value to each element in an array of 7. Which of the following is valid C code for assig point values named grades, with a length of 4? Circle the letter of all answers that are valid b. int k a. int i for (k=0; k 0; H } grades [j-1] =93.5