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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Q: Select all that apply.

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A:

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

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