4. A rectangular building is to be placed on a lot that measures 30 m by 40 m. The building must be placed in the lot so
that the width of the lawn is the same on all four sides of the building. Local restrictions state that the building cannot
occupy any more than 50% of the property. What are the dimensions of the largest building that can be built on the
property?

11 feet 6 inches and 8 feet 6 inches

£56

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;