A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN: 9780134753119
Author: Sheldon Ross
Publisher: PEARSON
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The Royal Malaysia Police (PDRM) compiles information on robbery and property crimes by type and selected characteristic and publishes its findings in its yearly reports. According to that document, the mean value lost to handbag snatching was RM 468 in 2012. In 2019, 12 randomly selected handbag-snatching offenses yielded the following values lost (in RM):

415 539 365 479 375 303 572 487 550 481 371 523

At the 5% significance level, test whether 2019’s mean value lost to handbag snatching has ncreased from the 2012 mean.

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