torical data on the sales of gasoline for 3650 days (since the beginning of operation) of a gas station were found to have mean and standard deviation of 420.9 gallons and 29.5 gallons, respectively. If the distribution of values is bell-shaped, approximately how many of the daily sales (a) falls in the interval 361.9 – 479.9 gallons? (b) exceeds 509.4 gallons? (c) falls below 391.4 gallons? thanks

torical data on the sales of gasoline for 3650 days (since the beginning of operation) of a gas station were found to have mean and standard deviation of 420.9 gallons and 29.5 gallons, respectively. If the distribution of values is bell-shaped, approximately how many of the daily sales (a) falls in the interval 361.9 – 479.9 gallons? (b) exceeds 509.4 gallons? (c) falls below 391.4 gallons? thanks

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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