Harry’s team has won 13 less than 6 times as many games as it has lost. the team lost n games. which expression could you use to find the number of games the team has won? a. 6n – 13 b. 6n + 13 c. n + 6 d. 13n – 6

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.