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Written Work. Answer the following questions briefly. (10 points) 1) It is the other term used for the mean of the random variable. 2) It is the sum of the products of possible outcomes of random variable "x" and its probability of occurrence. 3) It indicates that more of the data is clustered about the mean. 4) If the variance of a data set is equal to 1.44, then what is its standard deviation? 5) Which normal curve has a larger width, a normal curve N(3,5) or a normal curve N(0,9)? Explain. 6) What is the mean and standard deviation of a standard normal disrtribution? 7) Approximately how much is the probability between the mean and the first standard deviation to the left? 8) What is the total probability to the left of the mean in a normal distribution? Explain. 9) How do you convert decimals into percentage? 10) In an experiment, an unfair coin is tossed. If the probability of getting a head on the said coin is 62.34%, what is the probability of getting a tail