just need help with (d) and it’s not shown in the image but it asks explain what this might imply if you were a doctor or a nurse? 1. the more tests a patient completes, the stronger is the evidence for excess insulin. 2. The more tests a patient completes, the weaker is the evidence for excess insulin 3. the more tests a patient completes, the stronger is the evidence for lack of insulin 4. The more tests a patient completes, the weaker is the evidence for lack of insulin

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I just need help with (d) and it’s not shown in the image but it asks explain what this might imply if you were a doctor or a nurse? 1. the more tests a patient completes, the stronger is the evidence for excess insulin. 2. The more tests a patient completes, the weaker is the evidence for excess insulin 3. the more tests a patient completes, the stronger is the evidence for lack of insulin 4. The more tests a patient completes, the weaker is the evidence for lack of insulin
G ki - Google Search
I Spanish
Let x be a random variable that represents the level of glucose in the blood (milligrams per deciliter of blood) after a 12 hour fast. Assume that for people under 50 years old, x has a
distribution that is approximately normal, with mean u = 57 and estimated standard deviation o = 21. A test result x < 40 is an indication of severe excess insulin, and medication is
usually prescribed.
(a) What is the probability that, on a single test, x < 407 (Round your answer to four decimal places.)
0.2090
(b) Suppose a doctor uses the average x for two tests taken about a week apart. What can we say about the probability distribution of x? Hint: See Theorem 6.1.
O The probability distribution of x is approximately normal with u = 57 and o = 14.85.
O The probability distribution of x is approximately normal with u= 57 and o = 21.
O The probability distribution of x is approximately normal with u = 57 and o = 10.50.
O The probability distribution of x is not normal.
What is the probability that x < 40? (Round your answer to four decimal places.)
0.1271
(c) Repeat part (b) for n = 3 tests taken a week apart. (Round your answer to four decimal places.)
0.0808
(d) Repeat part (b) for n = 5 tests taken a week apart. (Round your answer to four decimal places.)
0.00
(e) Compare your answers to parts (a), (b), (c), and (d). Did the probabilities decrease as n increased?
O Yes
O No
Us 2 9 A 12:42
&
Transcribed Image Text:G ki - Google Search I Spanish Let x be a random variable that represents the level of glucose in the blood (milligrams per deciliter of blood) after a 12 hour fast. Assume that for people under 50 years old, x has a distribution that is approximately normal, with mean u = 57 and estimated standard deviation o = 21. A test result x < 40 is an indication of severe excess insulin, and medication is usually prescribed. (a) What is the probability that, on a single test, x < 407 (Round your answer to four decimal places.) 0.2090 (b) Suppose a doctor uses the average x for two tests taken about a week apart. What can we say about the probability distribution of x? Hint: See Theorem 6.1. O The probability distribution of x is approximately normal with u = 57 and o = 14.85. O The probability distribution of x is approximately normal with u= 57 and o = 21. O The probability distribution of x is approximately normal with u = 57 and o = 10.50. O The probability distribution of x is not normal. What is the probability that x < 40? (Round your answer to four decimal places.) 0.1271 (c) Repeat part (b) for n = 3 tests taken a week apart. (Round your answer to four decimal places.) 0.0808 (d) Repeat part (b) for n = 5 tests taken a week apart. (Round your answer to four decimal places.) 0.00 (e) Compare your answers to parts (a), (b), (c), and (d). Did the probabilities decrease as n increased? O Yes O No Us 2 9 A 12:42 &
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