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Author Question: Cluster sampling is a. a nonprobability sampling method. b. convenience based sampling. c. a ... (Read 291 times)

yoroshambo

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on: Jun 24, 2018
Cluster sampling is
 a. a nonprobability sampling method.
  b. convenience based sampling.
  c. a probability sampling method.
  d. judgement based sampling.

Question 2

The probability of an economic decline in the year 20Y1 is 0.23 . There is a probability of 0.64 that we will elect a Republican president in the year 20Y0 . If we elect a Republican president, there is a .35 probability of an economic decline. Let D represent the event of an economic decline, and R represent the event of election of a Republican president
 a. Are R and D independent events?
  b. What is the probability of electing a Republican president in 20Y0 and an economic decline in the year 20Y1?
  c. If we experience an economic decline in the year 20Y1, what is the probability that a Republican president will have been elected in the year 20Y0?
  d. What is the probability of economic decline in 20Y1 or a Republican president elected in the year 20Y0 or both?


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stano32

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

c

Answer to Question 2

a. No, because P(D)  P(D  R)
b. .224
c. .9739
d. .646


yoroshambo

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Reply 2 on: Jun 24, 2018
Wow, this really help

kusterl

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Reply 3 on: Yesterday
:D TYSM

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