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Author Question: A point estimator of a population parameter is a rule or formula which tells us how to use sample ... (Read 27 times)

SAVANNAHHOOPER23

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on: Jun 24, 2018
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


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cloudre37

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Reply #1 on: Jun 24, 2018
Answer to Question 1

A

Answer to Question 2

A


SAVANNAHHOOPER23

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Reply 2 on: Jun 24, 2018
Gracias!

jamesnevil303

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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