1. The number of shoes sold per day at a retail store is shown in the table below. Find the mean, variance, and standard deviation of this distribution, 2. Suppose that a coin is to be tossed four times, and let X represents \"the number of TAILS that can come up"- Find the mean, variance, and standard deviation of this distribution. 3. The number of patients seen in the Emergency Room in any given hour is a random variable represented by x. The probability distribution for x is: Compute for the mean, variance and standard deviation. To verify whether you able to get the correct answer you may refer on Answer Key provided. 1" ('1 Life is not measured by the number of breaths we take, but by the moments that take our breath away and bythe chances we bravely face. Please write your own thoughts here