Answer for question A), B) and C) from the word bank Pregunta 6Examine the following probability distribution:101520253035404550P(x) 0.01 0.05 0.16 0.20 0.30 0.13 0.05 0.04 0.01 0.05(A) Calculate the expected value and standard deviation for this random variable (2 decimal places)Answer : E(X) =O =%3D(B) Denote the expected value as µ. Calculate u - o and µ +o.Answer: μ-σand u + o =(C) Determine the proportion of the distribution that iscontained within the interval (µ - o, µ + ơ)Answer The proportion is% within this interval(D) Calculate μ-2σ and μ + 2σ.Answer : u – 2ơ =and u + 20 =(E) Determine the proportion of the distribution that iscontained within the interval (u - 20, µ + 20)Answer The proportion is% within this interval( F) Calculate μ-3σ and μ + 3σ.Answer : µ - 30 =and u + 30 =(G) Determine the proportion of the distribution that iscontained within the interval (µ - 30, µ + 30)Answer The proportion is% within this intervalBanco de palabras:10063-3.5834.0687.2565939.41955.8352.8843.4724.6515.2421.8584

The table shows the x values and its probabilities.

Examine the following probability distribution: X 5 10 15 20 25 30 35 40 45 50 P(x) 0.01 0.05 0.16 0.20 0.30 0.13 0.05 0.04 0.01 0.05 (A) Calculate the expected value and standard deviation for this random variable (2 decimal places) Answer : E(X) = (B) Denote the expected value as u. Calculate µ – o and µ + o. Answer: μ -σ=. and u + o = (C) Determine the proportion of the distribution that iscontained within the interval (u - o, µ + o) Answer The proportion is % within this interval