A student provided the steps for solving an equation. Which statement describes the error in the solution?
In step 2, the Distributive Property was applied
incorrectly.
Equation: 8-4 – 3(4-5)
Solution: 16-a = 6(4-5a)
16-a = 24-50
In step 3, the Addition Property of Equality was
applied incorrectly
16+40=24
(step 1)
(step 2)
(step 3)
(step 4)
(step 5)
4a8
In step 5, the Multiplication Property of Equality was
applied incorrectly
a = 2
In step 1 the Multiplication Property of Equality was
applied incorrectly

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step-by-step explanation:

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;