A medical research team wished to evaluate a proposed screening test for Alzheimer's disease. The test was given to a random sample of 450 patients with the disease and an independent random sample of 500 patients showing no outward symptoms of the disease. There are 436 of those with the disease that tested positive and 495 of those showing no symptoms that tested negative. Which of the followings statements is true?

		None of the above
		Specificity is higher than the sensitivity of the test.
		Sensitivity is higher than the specificity of the test.