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In State X, Mr. Camp's eighth-grade class consisting of 26 students was surveyed and 34.6 percent of the students reported that they had at least two siblings. The average eighth-grade class size in the state is 26. If the students in Mr. Camp's class are representative of students in the state's eighth-grade classes and there are 1,800 eighth-grade classes in the state, which of the following best estimates the number of eighth-grade students in the state who have fewer than two siblings?
Difficulty: Hard
A:
16,200
B:
23,400
C:
30,600
D:
46,800
During a sale, the original prices of all the items in a clothing store have been reduced by 20%. What is the sale price of a jacket with an original price of $50 ?
Difficulty: Easy
A:
$12
B:
$30
C:
$36
D:
$40
For a particular machine that produces beads, 29 out of every 100 beads it produces have a defect. A bead produced by the machine will be selected at random. What is the probability of selecting a bead that has a defect?
Difficulty: Easy
A:
$\frac{1}{2,900}$
B:
$\frac{1}{29}$
C:
$\frac{29}{100}$
D:
$\frac{29}{10}$
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