In a six-sided dice game, a prize is won if the arithmetic mean of number rolled is 3.25-3.75. in a second game, a prize is won if the arithmetic mean is more than 4.5. in which game would you rather roll the dice 20 times or 200 times?

Polynomial that can be factored as (3x-4)(3x+4)

Atown has a population of 17000 and grows at 2.5% every year. to the nearest year, how long will it be until the population will reach 19600?

The random variable x has probability density function f (x) = k(−x²+5x−4) 1 ≤ x ≤ 4 or =0 1 show that k = 2/9 find 2 e(x), 3 the mode of x, 4 the cumulative distribution function f(x) for all x. 5 evaluate p(x ≤ 2.5). 6 deduce the value of the median and comment on the shape of the distribution.