A key metric in the cell phone industry is average revenue per user (ARPU) which represents the average dollar amount that a customer spends per store visit. Recently, AT&T reported their ARPU was 67.81.
Suppose the standard deviation for this population is 18.45. What is the probability that the ARPU will be between 62 and 66 from a random sample of 35 customers?A) 0.2496
B) 0.3553
C) 0.4470
D) 0.5619
Question 2
The Wilcoxon rank-sum test is a nonparametric procedure that determines whether two populations have the same probability distribution based on evidence from two independent samples.
Indicate whether the statement is true or false
The flow of information in a eukaryotic cell
cell structure
Phone
Summary of Cell Structures and Functions
Attachment and cell entry by HIV.
The Largest Cell