A social media company wonders if proportion of social media

Last updated: 4/9/2024

A social media company wonders if proportion of social media users who use their platform has decreased worldwide A report claimed that 55 of social media users use the platform Suppose you conducted a survey and a rand sample of 49 people showed that 22 of them still have an account on the platform Use a 5 level of significance to determine whether the proportion of social media users who have an account on the platform has decreased from USE SALT a What is the level of significance 0 05 State the null and alternate hypotheses Enter for as needed Ho p 0 55 H p 0 55 b What sampling distribution will you use Do you think the sample size is sufficiently large Explain O We ll use the Student s t because the sample size is sufficiently large since np 5 and nq 5 O We ll use the standard normal because the sample size is not sufficiently large since np 5 and nq 5 We ll use the Student s t because the sample size is not sufficiently large since np 5 and nq 5 We ll use the standard normal because the sample size is sufficiently large since np 5 and nq 5 Use the value of the sample test statistic to find the corresponding z value Round your answer to two decimal places 1 421 c Find the P value of the test statistic Round your answer to four decimal places P value x Sketch the sampling distribution and show the area corresponding to the P value