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Author Question: The set of measurements collected for an element is called a(n) _____. a. census b. variable c. ... (Read 111 times)

ARLKQ

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on: Jun 24, 2018
The set of measurements collected for an element is called a(n) _____.
 a. census
  b. variable
  c. observation
  d. sample

Question 2

The time between arrivals of customers at the drive-up window of a bank follows an exponential probability distribution with a mean of 10 minutes.
 a. What is the probability that the arrival time between customers will be 7 minutes or less?
  b. What is the probability that the arrival time between customers will be between 3 and 7 minutes?


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carlsona147

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

c

Answer to Question 2

a. 0.5034
b. 0.2442


ARLKQ

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  • Posts: 571
Reply 2 on: Jun 24, 2018
Excellent

samiel-sayed

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

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