:a company with a large fleet of cars wants to study the gasoline usage. they check the gasoline usage for 50 company trips chosen at random, finding a mean of 25.02 mpg. based on the past experience, they believe the standard deviation of the general gasoline usage is 4.83 mpg. which kind of confidence intervals is appropriate to use here, z-interval or t-interval?

step-by-step explanation:

|ab| = 1.4 = 4

h = 1.4 = 4

a(abc) area = 4.4 = 16/2 = 8

area of abc = 8 cm^2

good luck ! ; )

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these sign is used to tell weather the number is greater or less than the number   <   or >     but this sign means its equal =    

hope this you and

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what grade level is this? need to know so i can look in my old textbooks!