Yolanda wants to buy 3 pounds of potatoes. There are 16 ounce in 1 pound. the vegetables scale at the grocery store measures kilograms. How many kilograms of potatoes does Yolanda buy?

21.772 kilograms

Step-by-step explanation:she has 3 pounds,and there are 16 ounces in 1 pound,so we need to multiply 16 times 3 which gives us 48,now we need to translate that int kg which gives us 21.772 kilograms

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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;