Mar 081 Proportions
Example 1
You are moving into a new apartment, but you cannot move in until the 13h of April so your new prop-
erty owner says that they will prorate your rent (definition of prorate - allocate, distribute, or assess pro-
portionally). If your regularly monthly rent is $1550, use mathematics to figure out how much you should
be paying for the month of April.

Asimple random sample of size nequals14 is drawn from a population that is normally distributed. the sample mean is found to be x overbar equals 70 and the sample standard deviation is found to be sequals13. construct a 90% confidence interval about the population mean

Solve for x, y, and z. show all steps.

The box plot shows the number of raisins found in sample boxes from brand c and from brand d. each box weighs the same. what could you infer by comparing the range of the data for each brand? a) a box of raisins from either brand has about 28 raisins. b) the number of raisins in boxes from brand c varies more than boxes from brand d. c) the number of raisins in boxes from brand d varies more than boxes from brand c. d) the number of raisins in boxes from either brand varies about the same.