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
Plasmids in a bacterial cell.
Stem Cell
Plant Cell Key
cell
biology 30 - Cell Division
Becker's World of the Cell