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Author Question: For data with two outcomes (success or failure), the binomial proportion of successes is likely to ... (Read 49 times)

Starlight

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on: Jun 24, 2018
For data with two outcomes (success or failure), the binomial proportion of successes is likely to be the parameter of interest.
 
  A) True B) False

Question 2

A study of college students stated that 25 of all college students have at least one tattoo. In a random sample of 80 college students, let x be the number of the students that have at least one tattoo. Find the mean and standard deviation for this binomial distribution.
 
  A) Mean = 20, Standard Deviation = 15 B) Mean = 20, Standard Deviation = 3.87
  C) Mean = 80, Standard Deviation = 3.87 D) Mean = 80, Standard Deviation = 15


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juicepod

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

A

Answer to Question 2

B


Starlight

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Reply 2 on: Jun 24, 2018
Gracias!

tanna.moeller

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Reply 3 on: Yesterday
Wow, this really help

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