Question
SupposeXN(12,32). Find the 90 th percentile ofX . To find your answer, pretend that the following table is (x)=P(Zx), where ZN(0,1). (Note: these values do
SupposeXN(12,32). Find the 90th percentile ofX . To find your answer, pretend that the following table is (x)=P(Zx), where ZN(0,1). (Note: these values do not agree with the actual normal tables! This artificial table is constructed so that you cannot find the answer in software or elsewhere.)
x | (x) | x | (x) | x | (x) |
---|---|---|---|---|---|
0.1 | 0.536 | 1.1 | 0.828 | 2.1 | 0.934 |
0.2 | 0.571 | 1.2 | 0.846 | 2.2 | 0.937 |
0.3 | 0.606 | 1.3 | 0.863 | 2.3 | 0.940 |
0.4 | 0.640 | 1.4 | 0.877 | 2.4 | 0.943 |
0.5 | 0.672 | 1.5 | 0.890 | 2.5 | 0.944 |
0.6 | 0.700 | 1.6 | 0.900 | 2.6 | 0.946 |
0.7 | 0.732 | 1.7 | 0.910 | 2.7 | 0.947 |
0.8 | 0.759 | 1.8 | 0.918 | 2.8 | 0.948 |
0.9 | 0.784 | 1.9 | 0.925 | 2.9 | 0.948 |
1.0 | 0.807 | 2.0 | 0.930 | 3.0 | 0.950 |
Group of answer choices
5.6
7.2
8.8
15.8
16.8
18.4
None of the above
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