The weights of packages of crackers follow a normal distribution with a mean of 15.2 oz. and a standard deviation of .5 oz. If x-bar is the mean weight of a SRS of 7 packages of crackers, then x-bar has an _______ (2 points)
Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
Below are the options: (a) approx distrib with mean=15.2 and SD= .2
(b) exact normal distrib with mean=15.2 and SD=.4
(c)approx distrib with mean=15.5 and SD= .2
(d) approx distrib with mean= 15.5 and SD= .4
(e) exact distrib with mean=14.6 and SD= 1
