InkLoop/NYS Standards/NY-7.SP.6NY-7.SP.6
7th GradeStatistics and Probability70 target questions
Approximate the probability of a chance event by collecting data on the chance process that produces it and observing its long-run relative frequency.
Sample Practice Questions (3)
1
A student observed the colors of 50 cars that passed by the school. The results are shown in the table below. Based on these data, what is the relative frequency of a red car passing the school?
| Car Color | Frequency |
|---|---|
| Red | 12 |
| Blue | 18 |
| Silver | 20 |
A
B
C
D
Multiple choice · diagram · tableSee Answer + Explanation →
2
A spinner is divided into four equal sections labeled 1, 2, 3, and 4. After 50 spins, the results are recorded in the table. Which statement best describes the relationship between the theoretical probability and the experimental relative frequency of spinning a 2?
| Section | Frequency |
|---|---|
| 1 | 11 |
| 2 | 15 |
| 3 | 12 |
| 4 | 12 |
AThe relative frequency is higher than the theoretical probability.
BThe relative frequency is equal to the theoretical probability.
CThe relative frequency is lower than the theoretical probability.
DThe relative frequency is higher than the theoretical probability.
Multiple choice · diagram · tableSee Answer + Explanation →
3
A spinner with four sections (A, B, C, and D) was spun 50 times. The results are shown in the table. Based on these results, if the spinner is spun 1,000 times, how many times would you expect it to land on section B?
| Section | Frequency |
|---|---|
| A | 10 |
| B | 15 |
| C | 5 |
| D | 20 |
Open response · diagram · tableSee Answer + Explanation →
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NY-7.RP.1Compute unit rates associated with ratios of fractions including ratios of lengths areas and other quantities measured in like or different units.→NY-7.RP.2Recognize and represent proportional relationships between quantities. Decide whether two quantities are in a proportional relationship. Identify the constant of proportionality (unit rate) in tables graphs equations diagrams and verbal descriptions.→NY-7.RP.3Use proportional relationships to solve multistep ratio and percent problems. Examples: simple interest tax markups and markdowns gratuities and commissions fees percent increase and decrease percent error.→NY-7.NS.1Apply and extend previous understandings of addition and subtraction to add and subtract rational numbers; represent addition and subtraction on a horizontal or vertical number line diagram.→