Among smartphone users, 40% use a case but no screen protector, 10% use a screen protector but no case, 45% use both a case and a screen protector, and 5% use neither a case nor a screen protector. Twenty smartphone users are sampled at random. Let 
be the respective numbers of users in the four given categories.
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When a ventilated ridge is used, there are no openings in the roof decking.
Answer the following statement true (T) or false (F)
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Reduced forms of iron and manganese along with soil organic matter largely control the color of well-drained soils
Indicate whether the statement is true or false
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Determine the admittance Y for the circuit in Fig. 9.44.
 FIGURE 1.png)
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The basic advantage of active-matrix displays over passive LCD displays is that active matrix displays have ________ resolution and ________ response times
A) higher, shorter B) lower, shorter C) higher, longer D) lower, longer
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