What is the probability of having 53 Thursdays in a leap year? Asked by Topperlearning User | 04 Apr, 2014, 10:52: AM
In a leap year, there are 366 days. 52 weeks = 364 days 1 leap year = 52 weeks and 2 days These extra two days can be sun-mon, mon-tue, tue-wed, wed-thu, thu-fir, fri-sat, sat-sun. Total number of outcomes = 7 Number of favorable outcomes = 2 P(53 Thursdays) = Answered by | 04 Apr, 2014, 12:52: PM
getcalc.com's Probability calculator to find what is the probability of 53 Thursdays in a leap year. The ratio of expected event to all the possible events of a sample space for 2 odd days to be either {Wednesday & Thursday} or {Thursday & Friday} is the probability of getting 53 Thursdays for a leap year.
Users may refer the below detailed information to learn how to find the probability of 53 Thursdays in a leap year. The total number of weeks in a non-leap year {366 days = 52 (2/7)} is 52 weeks and two odd days. Since, finding the probability for the two odd days to be either {Wednesday & Thursday} or {Thursday & Friday} is enough to find the probability of getting 53 Thursdays in an ordinary year of a Gregorian calendar. Workout step 2 Probability of 2 Odd day to be Thursday : The elements of sample space for 2 odd days S = {Saturday & Sunday, Sunday & Monday, Monday & Tuesday, Tuesday & Wednesday, Wednesday & Thursday, Thursday & Friday, Friday & Saturday} The elements of expected eventsA = {{Wednesday & Thursday}, {Thursday & Friday}}P(A) = S/A={{Wednesday & Thursday}, {Thursday & Friday}}/{Saturday & Sunday, . . . , Friday & Saturday} P(A) = 2/7P(A) = 0.280.28 or 2/7 is probability for 53 Thursdays in a leap year. What is the probability of getting 53 thursdays in a leap year? |