Provide a written description of the complement of the given

Provide a written description of the complement of the given event. Of ten adults, at least one of them has high blood pressure. When 100 engines are shipped, all of them are free of defects. Find the indicated probability. Round to the nearest thousandth. An unprepared student makes random guesses for the ten true-false questions on a quiz. Find the probability that there is at least one correct answer. A sample of 4 different calculators is randomly selected from a group containing 18 that are defective and 40 that have no defects. What is the probability that at least one of the calculators is defective?

Solution

Q34.
Compliment of the event :
Of ten adults, none of them has high blood pressure

Q35.
Compliment of the event :
Of ten adults, all of them are defective