School year 2019-2020 in Cabancalan National High School, 6 days were allotted for the enrolment of Grade 11. The enrolment was from 8 -12 noon for 6 days. Below is the table showing the number of enrolees in each day. Day Number of Students (X) Monday Tuesday Wednesday Thursday Friday 19 Saturday 15 10 20 13 10 a. Complete the probability distribution of the random variable X that denotes the number of students observed buying at a school canteen. Probability P(X) Day Number of Students Monday Tuesday Wednesday Thursday Friday Saturday 19 10 20 13 10 18 b. What is the probability of the day which has the highest number of enrolees? c. What is the mean and variance of the probability distribution? X P(X) (X-p)2. P(X) P(X) (X-p)2 19 10 20 13 10 18 Solutions :

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