please answer the last question thanks

Robert Klassen Manufacturing, a medical equipment manufacturer, subjected 100 heart pacemakers to 4,000 hours of testing Halfway through the testing 6 pacemakers failed The failure rate in terms of a) Percent of failures = 6 % (enter your response as a percentage rounded to one decimal place) b) Number of failures per unit-hour of operating time = 0.00001546 failures per hour (round your response to eight decimal places) c) Number of failures per unit-year= 0 1354 failures per year (round your response to four decimal places) d) {1,200 people receive pacemaker implants, then the number of units that we can expect to fall during the following one year - units (round your rosponse to two decimal places)