We appreciate your visit to The z score for 940 h is 0 98 Using the answer from Step 1 what percent of these light bulbs will last at least. This page offers clear insights and highlights the essential aspects of the topic. Our goal is to provide a helpful and engaging learning experience. Explore the content and find the answers you need!
Answer :
Approximately 16.35% of the light bulbs will last at least 940 hours.
To find the percent of light bulbs that will last at least 940 hours, we need to calculate the area under the standard normal distribution curve to the right of the given z-score (-0.98).
Using a standard normal distribution table or a calculator, we can find the corresponding area, which represents the percentage.
The z-score of -0.98 corresponds to a cumulative probability of approximately 0.1635 or 16.35%.
Therefore, approximately 16.35% of the light bulbs will last at least 940 hours.
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