Waiting for answer This question has not been answered yet. You can hire a professional tutor to get the answer.
QUESTION
A random sample of 250 households in a large city revealed that the mean number of televisions per household was 2. From previous analyses we know...
A random sample of 250 households in a large city revealed that the mean number of televisions per household was 2.76. From previous analyses we know that the population standard deviation is 1.8.
Q = Test the hypotheses at the 5% significance level.
