Let's tell and write the correct answers in the blank spaces. a) If N = {11, 12 ,13, 14), n (N) =
b) If S = {1, 4, 9, ... 49), n (S)
c) If V = {i}, subsets of V are
and its subset is
and
d)if A={teachers} and B={mathematics teachers},then universal set is and its subset is

What is the percentile for data value 6 in the following data set? 4 13 8 6 4 4 13 6 4 13 2 13 15 5 9 4 12 8 6 13 40 25 35 62

In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.

Is experimental probibilty the same as the observed frequency in math? i need the answer asap!