Response:

Clarification:
The explanation for the provided question is outlined below:
The hypothesis test indicates that

The test statistic calculated is


= 2.1
As per the given information, α = 0.05,
Thus, the critical threshold is

(as per the standard normal table).
Summarily

The minimum value shown on the line plot is 18.0. The maximum value depicted on the line plot is 22.0. The most frequently occurring height in inches is 19.5, appearing 3 times. A line plot is a visual representation that illustrates the frequency (how often data values occur) across a number line. Dots are marked on the line plot for each value along the number line.
Response:
/??
Detailed explanation of the process:
I think the correct solutions are: UV = 14 ft and m∠TUV = 45°; ST = 20 ft, UV = 14 ft, and m∠UST = 98°. In other words, Options A and D.