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probability that! Ten of the drivers will not have at least one outstanding parking fine? Q.4.1.1 Interpret your answer. Q.4.1.2 More than two of the drivers will have at least one outstanding parking fine? Interpret your answer.

probability that! Ten of the drivers will not have at least one outstanding parking fine? Q.4.1.1 Interpret your answer. Q.4.1.2 More than two of the drivers will have at least one outstanding parking fine? Interpret your answer.

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 32E
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Q.4.1 It has been found that 1 out of everyfourSouth African drivers has at least one outstanding parking fine. If we randomly select a sample of 12 drivers, what is the probability that: Ten of the drivers will not have at least one outstanding parking fine? Q.4.1.1 Interpret your answer. Q.4.1.2 More than two of the drivers will have at least one outstanding parking fine? Interpret your answer. Q.4.2 It has been found that on average, nine shoppers enter a Shoprite supermarket in any given 15-minute period. What is the probability that: Q.4.2.1 Four shoppers will enter a Shoprite supermarket in any given five minute period? Interpret your answer. Q.4.2.2 Less than two shoppers will enter a Shoprite supermarket in any given 15 minute period? Interpret your answer. Q.4.3 The time taken to download a particular app has been found to be normally distributed, with an average time (u) of five minutes and a standard deviation (g) of 0.30 minutes. What is the probability that a randomly selected person will: Q.4.3.1 Take between 4.75 and 5.45 minutes to download the app? Interpret your answer. Q.4.3.2 Take between 5.35 and 5.85 minutes to download the app? Interpret your answer. © The Independent Institute of Education (Pty) Ltd 2022 Bed
Transcribed Image Text:Q.4.1 It has been found that 1 out of everyfourSouth African drivers has at least one outstanding parking fine. If we randomly select a sample of 12 drivers, what is the probability that: Ten of the drivers will not have at least one outstanding parking fine? Q.4.1.1 Interpret your answer. Q.4.1.2 More than two of the drivers will have at least one outstanding parking fine? Interpret your answer. Q.4.2 It has been found that on average, nine shoppers enter a Shoprite supermarket in any given 15-minute period. What is the probability that: Q.4.2.1 Four shoppers will enter a Shoprite supermarket in any given five minute period? Interpret your answer. Q.4.2.2 Less than two shoppers will enter a Shoprite supermarket in any given 15 minute period? Interpret your answer. Q.4.3 The time taken to download a particular app has been found to be normally distributed, with an average time (u) of five minutes and a standard deviation (g) of 0.30 minutes. What is the probability that a randomly selected person will: Q.4.3.1 Take between 4.75 and 5.45 minutes to download the app? Interpret your answer. Q.4.3.2 Take between 5.35 and 5.85 minutes to download the app? Interpret your answer. © The Independent Institute of Education (Pty) Ltd 2022 Bed
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