If the dog store owner randomly selects 5 dogs without replacement from his store and weighs them, what is the expected weight of the total weight (in kilogram) of the 5 dogs selected? 15 (apply finite multiplier, without replacement) If the dog store owner randomly selects a dog from his store, weighs it, puts it back in store and repeats this procedures 4 more times, what is the standard error of the mean (in kilogram) of the 5 dogs in the sample? If the dog store owner randomly selects 5 dogs without replacement from his store and weighs them, what is the standard error of the mean (in kilogram) of the 5 dogs in the sample?