Question
Assume that head sizes (circumference) of new recruits in the Canadian armed forces can be
approximated by a normal distribution with a mean of 22.8 inches and a standard deviation
of 1.1 inches.
(a)What proportion of recruits have head sizes between 22 and 23 inches?
(b)Five percents of the head sizes exceed _______ inches
approximated by a normal distribution with a mean of 22.8 inches and a standard deviation
of 1.1 inches.
(a)What proportion of recruits have head sizes between 22 and 23 inches?
(b)Five percents of the head sizes exceed _______ inches