from 1975 through 2020, the mean annual gain of the Dow Jones Industrial Average was 651. A random sample of 34 years is selected from this population. what is the probability that the mean gain for the sample was between 400 and 700? Assume o= 1542 Find the insicaled prebabilty and interpet the resul. From 1975 through 2020, the mesa sorual gain of the Dow sonts industrial Average was 651 . Arandom sample of 34 years in selected hom thit populaton. What is the probabily that fat meme gah lor the sample was betaeen 400 and 700 ? Aspate a =1541..