Reasoning There are 55 vehicles in a parking lot. The frequency table shows data about the types and colors of the vehicles. Complete a
relative frequency table to show the distribution of the data with respect to
color. Use pencil and paper. Explain why the first two numbers in each
row must add up to 100%.
Frequency Table
Type of Vehicle
Color Car Truck Total
Blue 11 14 25
Red 14 16 30
Total 25 30 55
Row Relative
Frequency Table
Type of Vehicle
Color Car Truck Total
Blue
% % 100%
Red % % 100%
Total %
% 100%
(Round to the nearest tenth as needed)

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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: