Sir, i am stuck on this question

ID: 21F22308

Task 4: Answer the following: a. Explain the difference between discrete and continues probability distribution and give an example for each. b. On an average, D% of the motors are produced by a manufacturing plant are found to pass the standard test. What is the probability that out of (A + 6) motors at least three will not pass the standard test. Note: A is last two-digit number and D is first two-digit number (after English alphabet letter) from your college ID