Problem-Solving and Data Analysis

Chief Editor

Mar 27, 2024

Take all 3 MCQs in interactive quiz mode with timer and progress tracking

What is 10% of 470?

Difficulty: Easy

37

47

423

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

$r$ > 1,700

1,300 $<$ $r$ < 1,700

200 \(<\) \(r\) < 1,500

$r$ < 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?

Station 1	Station 2	Station 3	Station 4	Station 5
$3.699	$3.609	$3.729	$3.679	$3.729

Difficulty: Medium

\$3.679

\$3.689

\$3.699

\$3.729