Statistics And Probability Lesson 2 PDF

SLIDESMANIA.COM STATISTICS AND PROBABILITY  PROBABILITY HISTOGRAM Graph of discrete probability distribution Discrete probability variable X = Horizontal Probabilities P(X) = Vertical Consider the following table. x 0 1 2 3 P(x) 0.2 0.3 0.3 0....

SLIDESMANIA.COM STATISTICS AND PROBABILITY  PROBABILITY HISTOGRAM Graph of discrete probability distribution Discrete probability variable X = Horizontal Probabilities P(X) = Vertical Consider the following table. x 0 1 2 3 P(x) 0.2 0.3 0.3 0.2 Prove the two properties. A discrete random variable X has the following probability distribution. x 0 1 2 3 4 P(x) 0.1 0.2 ? 0.2 0.2 Determine P(2) A discrete random variable X has the following probability distribution. x 1 2 3 4 P(x) 0.21 29c 0.29 0.21 Determine c and P(2) ACTIVITY PROPER The spinner is divided into 8 sections. Let X be the score where the arrow will stop (numbered 1, 2, 3, and 4) a. Find the probability that the arrow will stop at 1,2,3,and 4. 3 3 b. Construct the discrete 1 4 probability distribution of the random variable x. 4 2 c. Construct a probability 2 3 histogram A discrete random variable X has the following probability distribution. x 0 1 2 3 4 P(x) 0.06 0.23 ? 0.35 0.05 Determine P(2) and construct a probability histogram  A discrete random variable X has the following probability distribution. x 1 2 3 4 5 P(x) 0.1 2k 0.4 0.25 0.1 Determine k, P(2) and construct a probability histogram A discrete random variable X has the following probability distribution. x 1 2 3 4 5 P(x) 0.k 0.15k 0.25 0.15 0.05k Determine k, P(1), P(2), P(5) and construct a probability histogram