Question

Assume the random variable X has a binomial distribution with the given probability of obtaining a success. Find the following probability, given the number of trials and the probability of obtaining a success. Round your answer to four decimal places. P(X < 4), n = 7.p = 0.3 Answer How to enter your answer Tables Keypad Keyboard Shortcuts Submit Answer

Answer 1

Giren na p= 0.3 We want, x~ Binomial (n. p) Then p[x = x] - (™) p*(1-P) 5-* P[*34] P[x = 6] + p[x = 1] + P[X=2] + "[x = 3] + P[x = 4] (3) (0-3)007) + (7)(0-3)(0.7)+ ( 3 X0.3)70. 3) 3) (0.3)*(0.7) (0.3)4(0-7) 7 4 3 of 7 3 4 O. 9712