Question 7 (0 Of the 500 people who have the disease, 450 test positive and 50 test negative. The sensitivity for this test is 90%. Calculate the lower limit for the 95% Confidence Interval. Do not include % in your answer. Round to the nearest whole number. Question 8 ( Of the 500 persons who have the disease, 450 test positive and 50 test negative. The sensitivity for this test is 90%. Calculate the upper limit for the 95% Confidence Interval. Do not include % in your answer. Round to the nearest whole number.

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A: Given,  r→t=sint, t, cost                   ...1

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