Question

Question 21 of 44 (point) Attempt 1 of 1 View question in a popup 3h 40m Reaning 52 Section Exercise 23 - Determine the probability P (Fewer than 3) for a binomial experiment with n-13 trials and the success probability p=0.4. Then find the mean, variance, and standard deviation dll Part 1 of 3 Determine the probability P(Fewer than 3). Round the answer to at least three decimal places. P(Fewer than 3) - Part 2 of 3 Find the mean. If necessary, round the answer to two decimal places. The mean is Part 3 of 3 Find the variance and standard deviation. If necessary, round the variance to two decimal places and standard deviation to at least three decimal places. The variance is The standard deviation is Submit Assignment 2020 McGraw-Hilducation All Rights Reserved. Terms of Use

Answer 1

Answer: Given that P = 0.4 ni13 pasiti [txt) : PEL PSC-P32; x =0,-) P(XL3) = P(x=0) + P(x-1) + PCX : 2) 134,4(043-60-63*+13,6048606)+136 (04) (04) : 0.0013 +0.0113 +0.04 53 0.0579 0.05% P(x43) = 0.058 Partzi mean E(x) = np E(X) = 13*0.4 E(x)5:2 27 Part 3 variance v(x) = np (1-P) V(x) = 13 *0.4x (1-0.4) V(x) = 13% 0.4*0.6 V(x) = 3.12 standard deviation Jucx) 53.12 1.766