The biology department at a large university reports that historically grades in their introductory biology course have been distributed as follows: 15% A’s, 30% B’s, 40% C’s, 10% D’s and 5% Fs. A random sample of grades in the last semester were distributed as follows: (chart attached)

Test an appropriate hypothesis to decide if the professor’s most recent grade distribution watches the historical distribution. Give statistical evidence to support your claim.

figure c

step-by-step explanation:

hope this .

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.

hope this is what you were asking for!

step-by-step explanation: