Math 179 Final Exam
T, f IO) 20% of the have blue eyes. Taking it people at tandem, what is
the probability that between We and 14 and 20) onthean have blue
eyes? Use any method that you are allowed to use-
3. (1 O) As stated in question it the average weight an male is 172 with at
standard mean lb, Taking 109 adult males at random, you find their
average weight as be . Are tau able to reject the null and
conclude that the average weight is higher than % f? (Uas " = lot).
pm" r tr/ rode
it Gila)* it adult females were selected at random stud their heights were measured,
a 95% interval forth average height of an adult female.
are in whee. Height is assumed to have a Nanael distribution.
a) s 95% Confidences interval for it if you er = as .
at Manually a 90% CI for at assuming that ' is unknown
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