1. [13 marks] About 30% of Canadian population in March 2021 expressed concern over their inability to pay rent or their mortgage due to COVID. For a random sample of 20 Canadian was chosen in in March 2021, please answer the following questions. (a) Dene the random variable (X) and identify the probability distribution and parameters of the random variable. (b) What is the probability that exactly 8 people expressed their concern? (0) What is the probability that no more than 17 people did not express their concern? ((1) How many people would be expected to be concerned? (e) Calculate the variance (02) and standard deviation (0) of the number of people who expressed their concern over their inability to pay rent or mortgage