The sampling distribution and distribution of the sample are synonymous O True o False Question 4 1 pts Which of the following is true about Student's t-models? o D. All of the above. OB. They have fatter tails than the Normal model. O A. They are unimodal and symmetric OC. As the degrees of freedom increase, the t-models look more and more like the Normal Model Question 5 1 pts A large software development firm recently relocated its facilities. Top management is interested in fostering good relations with their new local community and has encouraged their professional employees to engage in local service activities. They wish to determine the average number of hours the firm's professionals volunteer per month, They find the 95% confidence interval of 14.62 to 15.78. Which of the following is the correct interpretation? I. We are 95% confident that the average number of hours per month volunteered by professionals employed with this form is between 14.62 and 15.78. II. 95% of all firm's professional employees volunteer between 14.62 and 15.78 hours per month. III. The number of hours per month volunteered by the firm's professional employees is between 14.62 and 15.78 95% of the time, o lll only ol only ol. II, and in o None of these o ll only