7. Find each probability P(X, 2), using Table C in Appendix A. a. P(6:4) b. P(2;5)...
Using Appendix C-1 or Appendix C-2 find the p-value for each test statistic. (Round your answers to 4 decimal places.) Test Statistic z = +1.34 p-value (a) Right-tailed test (b) Left-tailed test (c) Two-tailed test z-_2.07 z =-1.69
Poisson Probabilities x l 3 2 7 8 4 6.3 4 6 a) P(x=3) = b) P(x=7) = c) P(x=4) = d) P(x<4) = Build the probability distribution table and graph and use to calculate the probability of x being equal or less than 4
Use Table C.1 in the Appendix to find the value of the probability of the standard normal variable Z corresponding to the shaded area under the standard normal curve. (Round your answer to four decimal places.) P(Z > 1.47) x Enter a number. 1.47
QUESTION 28 Using the Binomial Probability table, find Px) when n - 7, X <3, and p 0.5 A, 0.273 O B. 0.500 O C. 0.227 ○ D. 0,773
Let descrete random variable X ~ Poisson(7). Find: 1) Probability P(X = 8) 2) Probability P(X = 3) 3) Probability P(X<4) 4) Probability P(X> 7) 5) ux 6) 0x Show your explanations. Displaying only the final answer is not enough to get credit. Note: round calculated numerical values to the fourth decimal place where applicable.
The random variable X has the probability distribution table shown below. x 2 4 6 8 10 P(X = x) 0.2 0.2 a a 0.2 (a) Assuming P(X = 6) = P(X = 8), find each of the missing values. a = (b) Calculate P(X ≥ 6) and P(2 < X < 8). P(X ≥ 6) = P(2 < X < 8) =
Let descrete random variable X ~ Bin(9,0.4) Find: 1) Probability P(X> 4) 2) Probability P(X> 2) 3) Probability P(2<X<5) 4) Probability P(2<X<5) 5) Probability P(X=0) 6) Probability P(X=6) 7) ux 8) TX Show your explanations. Displaying only the final answer is not enough to get credit. Note: round calculated numerical values to the fourth decimal place where applicable.
Let descrete random variable X ~ Bin(9,0.4) Find: 1) Probability P(X>4) 2) Probability P(X> 2) 3) Probability P(2 <X<5) 4) Probability P(2<X<5) 5) Probability P(X =0) 6) Probability P(X =6) 7) ux 8) OX Show your explanations. Displaying only the final answer is not enough to get credit. Note: round calculated numerical values to the fourth decimal place where applicable.
QUESTION 28 Using the Binomial Probability table, find PCX) when n 7, X <3, and p 0.5 O A. 0.273 O B. 0.500 ° C. 0.227 O D.0.773 QUESTION 29 In the following binomial situation, identify n. "In a national survey, 3 of 10 college students admit to having tried marijuana. What is the probability that 15 college students in a local sample of 60 have tried it?" O A. n 10 O C. n- 60 OD, n= 15
2.1 Let X be a discrete random variable with the following probability distribution Xi 0 2 4 6 7 P(X = xi) 0.15 0.2 0.1 0.25 0.3 a) find P(X = 2 given that X < 5) b) if Y = (2 - X)2 , i. Construct the probability distribution of Y. ii. Find the expected value of Y iii. Find the variance of Y