Here we have:
n = 8
x = 4
P = 0.55
Binomial distribution:
= 0.2627
For n = 8 and r = 0.19, what is P(X = 4)? P(X= 4) = (Round to four decimal places as needed.)
A hypothesis testing: Ho : p=0.55 HA: p >0.55. We conduct a survey with sample size n =832 and have p =0.75. Find the test statistic z associated with the sample proportion. Note: 1- Only round your final answer to 2 decimal places. Enter your final answer with 2 decimal places.
a. For n= 4 and pi=0.19, what is P(X= 0 )? b. For n= 9 and pi =0.40, what is P(X= 8 )? c. For n= 9 and pi=0.60, what is P(X= 7 )? d. For n=5 and pi =0.89, what is P(X=4)? When n= 4and pi =0.19 , P(X= 0)equalsnothing.
Consider a binomial probability distribution with p 0.55 and n 7. Determine the probabilities below. a) P(x 2) b) P(xs1) c) Px>5) a) P(x = 2 (Round to four decimal places as needed.) b) Ps1)- (Round to four decimal places as needed.) c) P(X> 5)= □ (Round to four decimal places as needed.) Enter your answer in each of the answer boxes.
QUESTION 8 Let x be a binomial random variable with n=5 and p=0.7. Find P(X <= 4). O 0.1681 0.5282 0.4718 0.8319 0.3601
1. Let X~b(x; n, p) (a) For n 6, p .2, find () Prx> 3), (ii) Pr(x23), (ii) Pr(x (b) For n = 15, p= .8, find (i) Pr(X-2), (ii) Pr(X-12), (iii) Pr(X-8). (c) For n 10, find p so that Pr(X 2 8)6778. く2). 2. Let X be a binomial random variable with μ-6 and σ2-2.4. Fin (a) Pr(X> 2) (b) Pr(2 < X < 8). (c) Pr(Xs 8).
1. Let X~b(x; n, p) (a) For n 6, p...
Find C(n, x)pxqn − xfor the given values of n, x, and p. (Round your answer to four decimal places.)n = 9, x = 8, p = 0.4
Let X N(1,3) and Y~ N(2,4), where X and Y are independent 1. P(X <4)-? P(Y < 1) =? 4、 5, P(Y < 6) =? 7, P(X + Y < 4) =?
Given the following information, answer questions 1 - 4. P(A)=0.51P(A)=0.51 P(B)=0.55P(B)=0.55 A and B are independent. Round all answers to 5 decimal places as needed 1) Find P(A∩B)P(A∩B). 3) Find P(A∣B)P(A∣B). Given the following information, answer questions 5 - 7. P(A)=0.51P(A)=0.51 P(B)=0.55P(B)=0.55 A and B are dependent. P(A∣B)=0.61P(A∣B)=0.61 Round all answers to 5 decimal places as needed 5) Find P(A∩B)P(A∩B). PART 2 In a survey funded by the University of Arizona Psychology Department, 750 of 1000 adult Arizona residents said...
X P(x) 0 0.1 | 1 0.15 [2] 0.2 | 3 0.55 Find the standard deviation of this probability distribution. Give your answer to at least 2 decimal places Preview