Suppose a random variable X is best described by a uniform probability distribution with range 1 to 6. Find the value of a tha nakes the following probability statements true. а) Р(X < а) — 0.73 b) Р(X < а) — 0.92 с) Р(X > а) — 0.75 d) P(X > a) = 0.73

Need question d and e answers

For the three probability distributions shown, rank each distribution from lowest to highest in terms of the sample size required for the distribution of the sample mean to be approximately normally distributed. Ay 1/20 (a) (b) (c) Choose the correct answer below. (а), (с), (Ь) (с), (), (а) (c), (a), (b) (b), (с), (а) (b), (a), (c) (а), (b), (с) O o

1) A discrete probability distribution is given below. 1 4 5 0,1 0,3 0,2 X p(x) Find u. Find o. 2 0,2 3 0,2 b) Find the probability that x is within one standard deviation of the mean. Compare this result with the Empirical Rule.