E. 1.0 6, (4 points) About 40% of all people with diabetes will develop hyperten

Question

E. 1.0 6, (4 points) About 40% of all people with diabetes will develop hypertension (blood pressure problems). The box model for the population is as follows: [1 1 1 1000000]. It is estimated that of 10 randomly selected diabetic patients, 4 will develop hypertension, give or take 1.55. A. True B. False 7. (4 points) The proportion of diabetic patients who will develop an eye disease is 0.3. This means that of every 500 randomly selected diabetic patients, around patients will develop an eye disease, give or take patients. A. 150, 105 B. 0.3, 0.72 C. 225, 12.83 D. 150, 10.25 E. 350, 45.8 8. (4 points) Suppose that the population proportion of all corporations p ndidate is 0.75. What is the probability that in a survey of 500 large corporations , 350 or cae smoker? smoking candidate over an equally qualified more would pick a non A. 39.74% B. 60.26% C. 75% D. 0.49% E. 99.51%

Explanation / Answer

4)

mean = np = 10*0.4 = 4

sd = sqrt(npq) = sqrt(4 * 0.6) = 1.54919

hence

true

5)

mean = np = 500 *0.3 = 150

sd= sqrt(npq) = sqrt(150 * 0.7) = 10.2469

D) 150,10.25 is correct

8)

P(p^ > 350/500)

=P(p^> 0.7)

=P(Z>(0.7 - 0.75)/sqrt(0.75 * 0.25/500))

=P(Z> -2.5819)

= 0.9951

option E)99.51 % is correct

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