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Author Question: A container contains a large unspecified number of ping-pong balls. A student takes 80 balls from ... (Read 181 times)

james0929

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on: May 5, 2020
A container contains a large unspecified number of ping-pong balls. A student takes 80 balls from the container, marks them with a blue dot, returns the marked balls to the container, and thoroughly mixes the balls. She then takes 80 balls again from the container. Of these, 16 have blue dots. She now wants to use this data to estimate the total number of ping-pong balls in the container.

The best estimate for the percentage of ping-pong balls in the container that are marked is
◦ 15%.
◦ 10%.
◦ 5%.
◦ 20%.
◦ none of these
Excursions in Modern Mathematics ¦ Tannenbaum ¦ 9th Edition
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Marked as best answer by james0929 on May 5, 2020

chreslie

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Reply #1 on: May 5, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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james0929

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Reply 2 on: May 5, 2020
Wow, this really help

Viet Thy

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Reply 3 on: Yesterday
:D TYSM

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