Problem 5 (15 points): A tutoring center allows students to…

Problem 5 (15 points): A tutoring center allows students to make appointments for up to 60 minutes.  Let the random variable X represent the amount of time that the student spends stays for tutoring, and assume that all time intervals of equal length are equally likely. (4 points) What is the probability distribution for the random variable X? (5 points) Graph the distribution. (6 points) What is the probability that a student stays for tutoring between 31 and 48 minutes?

Problem 3 (19 points): A recent poll found that 28% of peopl…

Problem 3 (19 points): A recent poll found that 28% of people enjoy going to haunted houses.  Suppose we take a random sample of 30 people and record how many of them enjoy haunted houses. (6 pts) What probability distribution is this? Show all necessary work to support your claim. (6 pts) What is the probability exactly 9 of the people enjoy haunted houses? (7 pts) What is the probability between 4 and 10, inclusive, of the people enjoy haunted houses?

Using the information in the Filtration Experiment Data Char…

Using the information in the Filtration Experiment Data Charts, answer the following questions. Use one word only for each answer. Correct spelling is required for credit. Judging from the filtration results, which solute has the largest molecular weight? [x] Which molecule(s) have a molecular weight between 50 and 200? [a] and [b]