in an activity, students are pulling marbles from a large jar containing blue and red marbles. in their…

in an activity, students are pulling marbles from a large jar containing blue and red marbles. in their sample, students will calculate the proportion of red marbles. which of the following sample sizes will have the smallest sampling variability?\n10\n20\n30\n40
Answer
Explanation:
Step1: Recall sampling variability principle
Sampling variability decreases as sample - size increases.
Step2: Compare given sample - sizes
We have sample - sizes 10, 20, 30, 40. Since 40 is the largest among them.
Answer:
40