A coin is tossed two times. The set of outcomes is given as S = {HH, HT, TH, TT}.
Let X represent the number of times heads occurs.

An arithmetic series a consists of consecutive integers that are multiples of 4 what is the sum of the first 9 terms of this sequence if the first term is 0

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle

Amayoral candidate would like to know her residents’ views on a tax on sugar drinks before the mayoral debates. she asks one thousand registered voters from both parties. these voters are an example of a census population convenience sample simple random sample