he trade magazine QSR routinely checks the drive-through service times of fast-food restaurants. A 90 confidence interval that results from examining 606 ustomers in Taco Bel's drive-through has a lower bound of 155.1 seconds and an upper bound of 159 3 seconds. Complete parts (a) through (e) a) What is the mean service time from the 606 customers? he mean service time from the 606 customers is seconds Type an integer or a decimal. Do not round.)

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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he trade magazine QSR routinely checks the drive-through service times of fast-food restaurants. A 90% confidence interval that resuts from examining 606
ustomers in Taco Bel's drive-through has a lower bound of 155.1 seconds and an upper bound of 159 3 seconds. Compiete parts (a) through (e)
a) What is the mean service time from the 606 customers?
The mean service time from the 606 customers is seconds
Type an integer or a decimal. Do not round.)
Transcribed Image Text:he trade magazine QSR routinely checks the drive-through service times of fast-food restaurants. A 90% confidence interval that resuts from examining 606 ustomers in Taco Bel's drive-through has a lower bound of 155.1 seconds and an upper bound of 159 3 seconds. Compiete parts (a) through (e) a) What is the mean service time from the 606 customers? The mean service time from the 606 customers is seconds Type an integer or a decimal. Do not round.)
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