jose wants to find how many gallons of water he needs to fill his cube-shaped aquarium. one side of his aquarium is 4 feet long.

a)write and solve an expression to find the volume of jose's aquarium.

b)one cubic foot is equal to 7.48 gallons of water. how many gallons of water does jose need to fill his aquarium? round to the nearest gallon.

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d. 24+-0.114

step-by-step explanation:

the question requires us to calculate the approximate 95% confidence interval for the mean number of ounces of ketchup per bottle in the sample given the following statistics;

sample mean = 24

standard deviation, σ = 0.4

sample size , n = 49

the confidence interval for a population mean is calculated using the formula;

sample mean ± z-score*(σ/sqrt(n))

the z-score associated with a 95% confidence interval, from the standard normal tables, is;

1.96

substituting these values into the formula;

24 ± 1.96*(0.4/7)

= 24 ± 0.112

from the alternatives given, choice d is closest to the above expression;