Urn a contains 3 red and 3 black balls, whereas urn b contains 4 red and 6 black balls. if a ball is randomly selected from each urn, what is the probability that the balls will be the same color? a. 7/16 b. 9/10

Asquare and an equilateral triangle have the same perimeter. each side the triangle is 4 inches longer than each side of the square. what is the perimeter of the square

Unaware that 35% of the 10000 voters in his constituency support him, a politician decides to estimate his political strength. a sample of 200 voters shows that 40% support him. a. what is the population? b. what is the parameter of interest? state its value c. what is the statistics of the interest? state its value d. compare your answers in (b) and (c) is it surprising they are different? if the politician were to sample another 200 voters, which of the two numbers would most likely change? explain

What is the value of n in the equation -1/2(2n+4)+6=-9+4(2n+1)