Aresearcher would like to estimate p, the proportion of u. s. adults who support recognizing civil unions between gay or lesbian couples. if the researcher would like to be 95% sure that the obtained sample proportion would be within 1.5% of p (the proportion in the entire population of u. s. adults), what sample size should be used?
(a) 17,778(b) 4,445(c) 1,112(d) 67(e) 45

Can someone me and plz do the problem

Offering 30 if a plus b plus c equals 68 and ab plus bc plus ca equals 1121, where a, b, and c are all prime numbers, find the value of abc. the answer is 1978 but i need an explanation on how to get that.

With this question substitute t=3 and t=5 to determine if the two expressions are equivalent. 4(t + 3) 4t+12 which statements are true? check all that apply. a. the value of both expressions when t =5 is 32. b. the two expressions are not equivalent. c. the value of both expressions when t=3 is 15. d. the value of both expressions when t=5 is 23. e. the two expressions are equivalent. f. the value of both expressions when t=3 is 24.