When John runs the 400 meter dash, his finishing times are normally distributed with a mean of 71 seconds and a standard deviation of 2.5 seconds. If John were to run 33 practice trials of the 400 meter dash, how many of those trials would be slower than 67 seconds, to the nearest whole number?

2? if not the correct answer you might need to provide more information

step-by-step explanation:

step-by-step explanation:

the options are kind of confusing. i can tell you what i see going on here when i look at the graph.

the class and exam medians are closely related, and it looks like the low outlier on the exam did pull the median lower. [tex][/tex]

x/3-10=8

x/3=18

x=48

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.