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Suppose a study of speeding violations and drivers who use cell phones produced the following fictional data: Uses cell phone while driving Does not use cell phone while driving Total Table 3.2 Speeding violation in the last year 25 45 70 No speeding violation in the last year 280 405 685 Total a. Find P(Driver is a cell phone user). b. Find P(driver had no violation in the last year). c. Find P(Driver had no violation in the last year AND was a cell phone user). 305 450 755 The total number of people in the sample is 755. The row totals are 305 and 450. The column totals are 70 and 685. Notice that 305 + 450 = 755 and 70+685 = 755. Calculate the following probabilities using the table.

Suppose a study of speeding violations and drivers who use cell phones produced the following fictional data: Uses cell phone while driving Does not use cell phone while driving Total Table 3.2 Speeding violation in the last year 25 45 70 No speeding violation in the last year 280 405 685 Total a. Find P(Driver is a cell phone user). b. Find P(driver had no violation in the last year). c. Find P(Driver had no violation in the last year AND was a cell phone user). 305 450 755 The total number of people in the sample is 755. The row totals are 305 and 450. The column totals are 70 and 685. Notice that 305 + 450 = 755 and 70+685 = 755. Calculate the following probabilities using the table.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Suppose a study of speeding violations and drivers who use cell phones produced the following fictional data: Speeding violation in the last year 25 Uses cell phone while driving Does not use cell phone while driving Total Table 3.2 45 70 No speeding violation in the last year 280 405 685 Total a. Find P(Driver is a cell phone user). b. Find P(driver had no violation in the last year). c. Find P(Driver had no violation in the last year AND was a cell phone user). 305 450 755 The total number of people in the sample is 755. The row totals are 305 and 450. The column totals are 70 and 685. Notice that 305 + 450 = 755 and 70 +685 = 755. Calculate the following probabilities using the table.
Transcribed Image Text:Suppose a study of speeding violations and drivers who use cell phones produced the following fictional data: Speeding violation in the last year 25 Uses cell phone while driving Does not use cell phone while driving Total Table 3.2 45 70 No speeding violation in the last year 280 405 685 Total a. Find P(Driver is a cell phone user). b. Find P(driver had no violation in the last year). c. Find P(Driver had no violation in the last year AND was a cell phone user). 305 450 755 The total number of people in the sample is 755. The row totals are 305 and 450. The column totals are 70 and 685. Notice that 305 + 450 = 755 and 70 +685 = 755. Calculate the following probabilities using the table.
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