ROBLEM 1. A manufacturer claims that the average lifetime of his lightbulbs Is thr ears or 36 months. The standard deviation is 8 months. Fifty bulbs are selected, e average lifetime is found to be 32 months, Should the manufacturer's statemer jected at a = 0.01? UTION: P1: State the hypotheses
ROBLEM 1. A manufacturer claims that the average lifetime of his lightbulbs Is thr ears or 36 months. The standard deviation is 8 months. Fifty bulbs are selected, e average lifetime is found to be 32 months, Should the manufacturer's statemer jected at a = 0.01? UTION: P1: State the hypotheses
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 26PFA
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