Question 3 2 pts Say you have a sample of size of n many independent observations X1, X2, . . . , X\" from some unknown distribution with mean/expectation equal to p, and variance equal to 0'2. Which of the following is true about the distribution of the sample mean X = i 2 X3- i=1 ? Q It is approximately a uniform distribution. 0 It is constant. 0 It is completely unknown. 0 It is approximately a normal distribution