A point estimator of a population parameter is a rule or formula ...

[SAVANNAHHOOPER23]

A point estimator of a population parameter is a rule or formula which tells us how to use sample data to calculate a single number that can be used as an estimate of the population parameter.
 
  A) True B) False

Question 2

Before a new phone system was installed, the amount a company spent on personal calls followed a normal distribution with an average of 900 per month and a standard deviation of 50 per month. Refer to such expenses as PCE's (personal call expenses). Using the distribution above, what is the probability that during a randomly selected month PCE's were between 775.00 and 990.00?
 
  A) .9579 B) .0421 C) .0001 D) .9999

[cloudre37]

Answer to Question 1

A

Answer to Question 2

A

[SAVANNAHHOOPER23]

Excellent

[hramirez205]

TYSM