Exercise 6 Percentage Error In the questions below determine the percentage error Show your work on all problems 1 A dad holds five coins in his hand He tells his son that if he can guess the amount of money he is holding within 5 error he can have the money The son guesses that he is holding 81 cents The dad opens his hand and displays 90 cents Did the son guess close enough to receive the money from his father 90 81 90 x 100 10 error No the son did not guess close enough to receive the money 2 A science teacher tells her class that their final project requires the students to measure a specific variable and determine the velocity of a car with no more than 2 5 error Jennifer and Johnny work hard and decide the velocity of the car is 34 87 m s The teacher informs them that the actual velocity is 34 15 m s Will Jennifer and Johnny pass their final project 34 15 34 87 34 15 x 100 2 11 error Yes Jennifer and Johnny will pass their final project 3 A locomotive train is on its way from Chicago IL to Madison WI The trip is said to last 3 15 hours When the train arrives in Madison the conductor notices it actually took them 3 26 hours The train company prides itself on always having its trains to the station within a 3 error of the expected time Will the train company live up to its reputation on this trip 3 26 3 15 3 26 x 100 3 37 error The company will be close to their reputation on this trip but it is actually a little over their 3 error of expected time 4 A coach tells his little league players that hitting a 275 batting average within 7 percentage error means that they had a really great season Seven year old Tommy ended the season hitting a 258 batting average According to his coach did he have a great season 275 258 275 x 100 6 18 error Yes Tommy had a great season according to his coach Labs LLC 2013 eScience All Rights Reserved
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