A simple random sample of 20 pages from a dictionary is
obtained. The numbers of words defined on those pages are found,
with the results nequals20, x overbarequals54.3 words,
sequals16.6 words. Given that this dictionary has 1477 pages with
defined words, the claim that there are more than 70,000 defined
words is equivalent to the claim that the mean number of words per
page is greater than 47.4 words. Use a 0.10 significance level to
test the claim that the...