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Author Question: Suppose a population contains 1,000,000 people, 5000 of whom have a disease. The table shows the ... (Read 50 times)

joe3899

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on: Feb 26, 2023

Question 1

Steve has 18 black socks and 12 blue socks. Every morning he pulls a sock at random from his drawer, then pulls a second sock at random, and wears both socks, regardless of their color. What is the probability he wears mismatched socks?

◦

0.248


◦

0.152


◦

0.352


◦

0.50



Question 2

Suppose a population contains 1,000,000 people, 5000 of whom have a disease. The table shows the number of people who have the disease and test positive, etc.

​


Positive testNegative testTotal
Has disease48851155000
Does not have disease73,630921,370995,000
Total78,515921,4851,000,000

​

Based on the table, what is the probability that a person who tests positive actually has the disease?


◦

97.7%


◦

92.6%


◦

6.2%


◦

7.4%

Introductory Statistics: A Problem-Solving Approach ¦ Kokoska ¦ 3rd Edition
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Marked as best answer by joe3899 on Feb 26, 2023

3ginamay

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Reply #1 on: Feb 26, 2023
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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joe3899

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Reply 2 on: Feb 26, 2023
Great answer, keep it coming :)

yeungji

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Reply 3 on: Yesterday
Gracias!

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