Create a new file named wait_status.c using the below code. Compile it as wait_status and run the below code.

(1) What is the output? Explain why?

(2) Change exit(1) to exit(1000)? Compile and run it. What is the output? Explain why?

#include

#include

#include

#include

void waitexample()

{

int stat;

if (fork() == 0)

exit(1);

else

wait(&stat);

if (WIFEXITED(stat))

printf("Exit status: %d ", WEXITSTATUS(stat));

else if (WIFSIGNALED(stat))

psignal(WTERMSIG(stat), "Exit signal");

}

int main()

{

waitexample();

return 0;

E Knewton Alta STA2023 STATISTICS ONLINE 648907 Unit 9.1 Introduction to Chi-Square Distribution Understand the properties of the chi-square distribution Question Which of the following is not a characteristic of the chi-square distribution? Select all correct answers. Select all that apply: The chi-square curve is nonsymmetrical. The chi-square curve is symmetrical. The mean of the chi-square distribution is located to the left of the peak. The mean of the chi-square distribution is located to the right of the peak. FEEDBACK MORE INSTRUCTION SUBMIT Content attributionHW08: Problem 1 Problem Value. 7 point(s). Problem Score: 0%. Attempts Remaining: 2 attempts. (7 points) Chi-square distribution, 1. The parameters) for the chi-square distribution isfare (check all that apply) A. proportion B. standard deviation O C. mean )D. sample size E. degrees of freedom Choose the options that will make each statement TRUE 2. The chi-square distribution is | 7 . right skewed J. The chi-square statistic is 7 negative. 4. As the degrees of freedom increases, the shape of the chi-square distribution becomes ? " skewed. 5. As the degrees of freedom increases, the mean of the chi-square distribution ? 6. As the degrees of freedom increases, the variability of the chi-square distribution 7. When finding the p-value of a chi-square test of independence we ? * shade just the area in the upper tail. Help Entering Answers Preview My Answers Submit Answers Page generaled at 11/04:2919 at 97:05pm EST WEB work @ 1836-3416 theme muthi maul ww wonion WEBWork-2 14 | pa version Pa.3 18Consider a Markov chain {Km 11 = O, 1, - - -} on the state space S = {0,1,2}. Suppose that the Markov chain has the transition matrix A A .2. 10 10 10 P = A :4. A 10 10 10 i .2. .4_ 1o 10 10 1. Show that the Markov chain has a unique stationary mass. 2. Let h denote the stationary mass of the Markov chain. Find h(x) for all a: E S. 3. Show that the Markov chain has the steady state mass. 4. Let h" denote the steady state mass of the Markov chain. Find h*(x) for all a: E S