Mathematics, 18.04.2021 01:00 jsavagejsavage8596
Consider the following rational function. Write the range of the function. Use interval notation.
Answers: 3
Answer from: Quest
Ithink the answer is a
Answer from: Quest
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;
Answer from: Quest
Yea they are simplyfiy the ratios
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