Engineers must consider the widths of heads when designing motorcycle helmets. From anthropometric sizing data, the engineer finds that the widths of an adult head is normally distributed with mean of 6.2 inches and standard deviation of 1.2 inches. a)[5 pts] Determine the percent of adults having head widths that are greater than 8.6 inches.

for b its (t) and c its (d)

step-by-step explanation:

ur mom

step-by-step explanation:

whole numbers.

step-by-step explanation:

we are given the average monthly rainfall (in millimeters) model r(m) for the years 1900-2009 as a function of the month number m.

as we can see m is taken for the number of months for years 1900-2009.

we know that number of months can't be a negative number or decimal number or a fraction.

so, the number of months could be only positive whole numbers.

therefore, whole numbers is more appropriate for the domain of r.