sap. Answer all the subquestions to get a like.  A.  A normal population has mean of 7.3 and a standard deviation of 1.5. Find the proportion of the population that is greater than 6.7. 0.8472 0.1554 0.6554 0.3446 B.  What area corresponds to z = -2.19? 4.868% 45.87% 0.4857 -0.5478 C.  You select a random sample of 1 850 phones from an ongoing production process in which 10% of all such phones produced are defective. What is the standard deviation of the distribution? 3.97 2.91 14.98 12.90

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A: mean is 0  standard deviation is 1.

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A: Given information: n1=900n2=900s=0.02x=15.10y=15.30

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A:

Q: Select all that apply.

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A: X is normally distributed with mean of 123 and standard deviation of 12.

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A: The LSD is given by the formula:

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A:

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A:

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A:

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A: “Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: Find the following z scores with a mean of 20 and a standard deviation of 5. a. 20 b. 32 c. 28 d. 25

A: Note :Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question…

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A:

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A: Note: Hi, thank you for the question. As per our company guideline we are supposed to answer only…

Q: For a mean of 70 and a standard deviation of 8, find standardized score for a value of 80. O - 1.25…

A: From the provided information, Mean (µ) = 70 Standard deviation (σ) = 8

Q: The systolic blood pressure of adults in the USA is nearly normally distributed with a mean of 122…

A: It is an important part of statistics. It is widely used.

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A: Solution: It is needed to explain about the normal curve.

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A: Given a normal distribution with mean 100 and standard deviation 10. The measurement is X=111.1.

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A: we have to find standard deviation.

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A:

Q: a. standardized version of x. b. studentized version of x.

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