Suppose the following function is graphed. y = 8/5x + 4
On the same grid, a new function is graphed. The new function is represented by the following equation.
y = -5/8x + 8
Which of the following statements about these graphs is true?

A- The graphs intersect at (0,8).
B- The graph of the original function is perpendicular to the graph of the new function.
C- The graph of the original function is parallel to the graph of the new function.
D- The graphs intersect at (0,4).

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;

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step-by-step explanation:

below

step-by-step explanation:

1. 5/1

2. 10/16

3. 90/2

4. 1/20

5. 3/1

6. 14/24

7. 1/4

8. 18/10