Problem-Solving and Data Analysis

Chief Editor

Mar 28, 2024

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

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

16,200

23,400

30,600

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

$12

$30

$36

$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

\frac{1}{2,900}

\frac{1}{29}

\frac{29}{100}

\frac{29}{10}