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An isolate of E. coli recovered from the stool of a patient with severe bloody diarrhea should be tested for fermentation of which sugar before sending to a reference lab for serotyping?

What is the value of initialArray = [5, 9, 14, 8] after executing i = 9;initialArray(i) = 7;

What is output? A = [2, 6, 9; 1, 4, 9; 5, 7, 1];if (A(1, 3) == A(2, 3)) A(:, 3) = 1else A(:, 3) = 0end

Given exam_scores = [ [32, 28, 36, 38]; [27, 31, 29, 33]; [37, 39, 40, 40]; [36, 34, 30, 35] ]; Where each row includes the scores for one student on each of 4 exams. Which command will produce a row array of the average exam score across all students?

What is output? samples = [5, 3, 7; 1, 4, 9; 2, 6, 3];partial_samples = samples(:, 2:end)

Given exam_scores = [ [32, 28, 36, 38]; [27, 31, 29, 33]; [37, 39, 40, 40]; [36, 34, 30, 35] ]; Where each row includes the scores for one student on each of 4 exams. Which command will produce a row array of the average exam score across all students?

Which of the following successfully swaps the values of the variables heads and tails?

What is output? samples = [5, 3, 7; 1, 4, 9; 2, 6, 3];partial_samples = samples(:, 2:end)

Which of the following commands will return a 5× 4 matrix with ones along the main diagonal?

What is the value of thursAppts? % number of appointments in a weeknumAppointments = [23, 31, 20, 30, 29, 32, 19];midWeek = numAppointments(3:end-2)thursAppts = midWeek(:,end)