Answer:

Step-by-step explanation:
<u>Confidence Interval</u>
When the population standard deviation
is known, the formula for a confidence interval for a population mean
is:

Where n is the sample size and z is the corresponding z-value from the standard normal distribution for the selected confidence level. The value of z for a 95% confidence interval is z=1.96. The rest of the values are

Calculating the confidence interval


Or, equivalently

Answer:
I think its 3 1/4
Step-by-step explanation:
9 3/4 ÷ 3 = 3 1/4
Srry if im wrong
<span>No sé la forma correcta de hacerlo, pero encontrar conjuntos de dos números que pueden igualar 12, luego encontrar cuál de los encaja en la segunda ecuación correctamente.</span>
1 gallon of milk is the better deal. A gallon is 4 quarts, so for 2 quarts, it would be left. I hope I helped!
The evaluation of 84 2/3% to a fraction in its lowest term is 
<h3>What is a fraction?</h3>
Fractions are sections or parts of a whole. They are divided into two parts, the numerator, and the denominator.
From the given information, we are to convert a mixed fraction into its lowest terms. By doing that, we are to convert it to an improper fraction.





Divide both the numerator and denominator by (2)

Learn more about fractions here:
brainly.com/question/78672
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