MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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The mean amount of milk produced weekly by
12 random samples with 20 dairy cows in each
sample are listed in gallons.
Mai has a box of number cubes with each of the
6 faces marked with one of the numbers 1, 2, 3, 4, 5 and
6. She rolls one number cube and makes note of the
64.5, 62.7, 63.5, 65.0, 64.1, 62.7, 62.4, 63.5, 60.7,
61.6, 63.0, 65.6
number on the face that is facing up. After rolling this
number cube 20 times, she notices that the number
4 appears nine times.
Use the values to estimate the mean amount of milk
produced weekly by the dairy cow population, and
provide a margin of error (round to the nearest dollar).
Mai suspects that this number cube is weighted in some
way to make 4 appear more often than the other
numbers. Using another number cube from the box that
she has confirmed is fair (all of the numbers tend to be
rolled with equal frequency), explain a process Mai could
use to gather evidence to show whether this number
cube is also fair.
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