Leila will rent a car for the weekend. She can choose one of two plans. The first plan has an initial fee of $53 and costs an additional $0.15 per mile driven. The second plan has an initial fee of $42 and costs an additional $0.17 per mile driven.
For what amount of driving do the two plans cost the
same?
What is the cost when the two plans cost the same?
si

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;

central angle of a triangle has the same measure as its intercepted arc.

step-by-step explanation:

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