InkLoop/NYS Standards/NY-S.IC.4NY-S.IC.4
Algebra IIMaking Inferences and Justifying Conclusions60 target questions
Use data from a sample survey to estimate a population mean or proportion; develop a margin of error through the use of simulation models for random sampling.
Sample Practice Questions (3)
1
A student ran a simulation of trials to estimate the proportion of students who eat breakfast. The results of the simulation are shown in the graph below. The mean of the simulation is and the standard deviation is . Based on this simulation, what is the confidence interval for the population proportion?
A to
B to
C to
D to
Multiple choice · diagramSee Answer + Explanation →
2
A simulation of trials was conducted to estimate the proportion of voters who support a new tax. The results of the simulation are shown in the normal distribution curve below, where the mean is and the standard deviation is . Based on this simulation, what is the interval that contains the middle of the sample proportions?
A
B
C
D
Multiple choice · diagramSee Answer + Explanation →
3
The graph below represents the distribution of sample means from a simulation. The center of the distribution is and the standard deviation is . Which value would be outside the 95% confidence interval for the population mean?
A
B
C
D
Multiple choice · diagramSee Answer + Explanation →
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