2. One restaurant is known to have an average daily sales of $1100 and $90 variance. If a 31-day sales survey showed that the variance was $105, is this a reason to still believe $90 variance?
2. One restaurant is known to have an average daily sales of $1100 and $90 variance. If a 31-day sales survey showed that the variance was $105, is this a reason to still believe $90 variance?
Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter9: Solving Quadratic Functions
Section: Chapter Questions
Problem 4CA
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![2. One restaurant is known to have an average daily sales
of $1100 and $90 variance. If a 31-day sales survey showed
that the variance was $105, is this a reason to still believe $90
variance?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa30d7564-f60d-436d-8bbd-db011c245b56%2Fe3f4a7b7-8051-4b87-927c-9ac99e1f5503%2Ftqo5t9p_processed.jpeg&w=3840&q=75)
Transcribed Image Text:2. One restaurant is known to have an average daily sales
of $1100 and $90 variance. If a 31-day sales survey showed
that the variance was $105, is this a reason to still believe $90
variance?
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