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Author Question: A random sample of adults was asked to respond to a survey about whether they use their cell phones ... (Read 69 times)

roselinechinyere27m

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on: Apr 14, 2020
A random sample of adults was asked to respond to a survey about whether they use their cell phones to shop for a specific item. One question, summarized in the table below reflecting probabilities, asked each respondent to choose whether or not they use a cell phone app to shop. The major age groupings were under 40 or 40 years or older.



If one adult is randomly chosen from the group, what is the probability that the adult is 40 years or older?
◦ 60%
◦ 0.40%
◦ 40%
◦ 50%
Introductory Statistics: Exploring the World Through Data ¦ Gould, Ryan ¦ 2nd Edition
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Marked as best answer by roselinechinyere27m on Apr 14, 2020

eliasc0401

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Reply #1 on: Apr 14, 2020
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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.
Only 46% of users answer this correctly


fdsaffdsafdsaf

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Reply #2 on: Jul 11, 2020
thank you


Nicolle Lima

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Reply #3 on: Sep 24, 2020
c


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