Practice Quiz Mode
Take all 4 MCQs in interactive quiz mode with timer and progress tracking
What is 10% of 470?
Difficulty: Easy
A:
37
B:
47
C:
423
D:
460
A bag containing 10,000 beads of assorted colors is purchased from a craft store. To estimate the percent of red beads in the bag, a sample of beads is selected at random. The percent of red beads in the bag was estimated to be 15%, with an associated margin of error of 2%. If $r$ is the actual number of red beads in the bag, which of the following is most plausible?
Difficulty: Medium
A:
$r$ > 1,700
B:
1,300 $<$ $r$ < 1,700
C:
200 \(<\) \(r\) < 1,500
D:
$r$ < 1,300
| Station 1 | Station 2 | Station 3 | Station 4 | Station 5 |
|---|---|---|---|---|
| $3.699 | $3.609 | $3.729 | $3.679 | $3.729 |
In the table above, Melissa recorded the price of one gallon of regular gas from five different local gas stations on the same day. What is the median of the gas prices Melissa recorded?
Difficulty: Medium
A:
$\$3.679$
B:
$\$3.689$
C:
$\$3.699$
D:
$\$3.729$
Which of the following represents the result of increasing the quantity $x$ by 9%, where $x>0$ ?
Difficulty: Medium
A:
$1.09x$
B:
$0.09x$
C:
$x+9$
D:
$x+0.09$
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