During a professor's office hours, students arrive, on average, every ten minutes. Assume that the distribution of the time between arrivals follows an exponential distribution. Suppose that a student has just left.
What is the probability that the professor has more than 20 minutes before the next student shows up?A) 0.8187
B) 0.8647
C) 0.1353
D) 0.1813
Question 2
The type of diagram that shows subsets of the population on different branches is called a:
A) departmental diagram.
B) tree diagram.
C) Venn diagram.
D) scattered diagram.
Jean Piaget in his office.
Injectable Drugs Commonly Stocked in the Medical Office
A Scatterplot of the Test Scores and Average Grades of 10 Students
Converting Degrees to Degrees, Minutes, Seconds
Share of Hours Worked by Education Level, 1940–2008
The percentage of Canadian students in Grades 7 through 12 who used drugs