A random sample of 121 bottles of cologne showed an average ...

[strangeaffliction]

A random sample of 121 bottles of cologne showed an average content of 4 ounces. It is known that the standard deviation of the contents (i.e., of the population) is 0.22 ounces. In this problem, the .22 is _____.
 a. a parameter
  b. a statistic
  c. the standard error of the mean
  d. the average content of colognes in the long run

Question 2

There is a lower limit but no upper limit for a random variable that follows the _____ probability distribution.
 a. uniform
  b. normal
  c. exponential
  d. binomial

[lorealeza]

Answer to Question 1

a

Answer to Question 2

c

[strangeaffliction]

Thanks for the timely response, appreciate it

[bitingbit]

Wow, this really help