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Author Question: The probability is 0.7 that a person shopping at a certain store will spend less than $20. For ... (Read 64 times)

P68T

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on: Apr 14, 2020

Question 1

The probability that a person has immunity to a particular disease is 0.4. Find the expected number of people who have immunity in samples of size 23.
◦ 11.5
◦ 13.8
◦ 9.2
◦ 0.4

Question 2

The probability is 0.7 that a person shopping at a certain store will spend less than $20. For groups of size 21, find the expected number of shoppers who spend less than $20.
◦ 6.0
◦ 14.7
◦ 14.0
◦ 6.3
Introductory Statistics: Exploring the World Through Data ¦ Gould, Ryan ¦ 2nd Edition
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Marked as best answer by P68T on Apr 14, 2020

ciecieme

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Reply #1 on: Apr 14, 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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P68T

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Reply 2 on: Apr 14, 2020
Great answer, keep it coming :)

Joy Chen

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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