Select the statement(s) that are true about sampling distributions.1. The shape of all sampling distributions are approximately normal.2. The mean of the sampling distribution of a is equal to the mean of the distribution from which the sample was taken.3. The standard deviation of the sampling distribution of a is equal to the standard deviation of the distribution fromwhich the sample was taken divided by the sample size.4. The shape of all sampling distributions are symmetrical.01&32 only3 only0184None of the above