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A manufacturer of power tools claims that the mean amount of time required to assemble their top-of-the-line table saw is 80 minutes with a standard deviation of 40 minutes.Suppose a random sample of 64 purchasers of this table saw is taken.The probability that the sample mean will be between 77 and 89 minutes is .
List Box
A graphical user interface element that allows users to select one or more items from a list displayed within a box.
Yes/No Field
A data field type in databases used to store boolean values, typically to represent a true (Yes) or false (No) state.
Check Box
A graphical user interface element that permits the user to make a binary choice, typically yes/no or true/false.
Subtotal
A mathematical function or formula used to sum up a group of numbers, often used in data analysis and accounting.
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