Essay Question: 6. In a large university, statistics show that 75% of students live in dormitories. Thus, for any student chosen at random, the university administration estimates a probability of 0.75 that the student will live in dormitories. A random sample of 5 students is selected. Answer the following questions related to the binomial probabilities. 

Essay Question: 3(d). Based on your answer in part 3(c), compute the standard deviation for the yearly salary.

Refer to Exhibit 1. If one develops a cumulative percent frequency distribution for the above data, the last class “80-99” will be

Essay Question: 2(e). Assume the event F is that a randomly selected customer is female and the event S is that a randomly selected customer is single. Are events F and S independent events? Use probability information to justify your answer. 

Part I: Multiple Choice Questions. For each of the questions below, please circle the letter corresponding to the one best answer to the question. (4 points each, 60 points total)

A method of assigning probabilities based upon judgment is referred to as the

Refer to Exhibit 1. The percentage of days in which the company sold at least 40 laptops is

Essay Question: 2(b). What is the probability of finding a female customer?  The probability of finding a female customer is [Select1].

Refer to Exhibit 1. The class width of the above distribution is

Essay Question: 3(b). Compute the mean yearly salary.