Florida has over 7700 lakes. the correlation between ph level of a sample of 53 lakes and the mercury level of fish in these lakes is -0.575.

give notation for the quantity we are estimating, i. e. the parameter of interest.

give notation for the quantity we use to make the estimate and its value.

why can't we get an exact value, but only an estimate

Which of the following statements is true? a. the irrational number system is not closed under multiplication, because the product of two irrational numbers is always a rational number. b. the irrational number system is not closed under multiplication, because the product of two irrational numbers is not always an irrational number. c. the irrational number system is closed under multiplication, because the product of two irrational numbers is always an irrational number. d. the irrational number system is closed under multiplication, because the product of two irrational numbers is always a rational numbers. reset submit