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Author Question: If 50 of 250 people contacted make a donation to the city symphony, then the relative frequency ... (Read 25 times)

shenderson6

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on: Jun 24, 2018
If 50 of 250 people contacted make a donation to the city symphony, then the relative frequency method assigns a probability of .2 to the outcome of making a donation.
 a. True
  b. False
  Indicate whether the statement is true or false

Question 2

Last school year, the student body of a local university consisted of 30 freshmen, 24 sophomores, 26 juniors, and 20 seniors. A sample of 300 students taken from this year's student body showed the following number of students in each classification. Freshmen 83 Sophomores 68 Juniors 85 Seniors 64 We are interested in determining whether or not there has been a significant change in the classifications between the last school year and this school year. At 95 confidence, the null hypothesis
 a. should not be rejected
  b. should be rejected
  c. was designed wrong
  d. None of these alternatives is correct.


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stano32

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

TRUE

Answer to Question 2

A


shenderson6

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Reply 2 on: Jun 24, 2018
Excellent

raili21

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Reply 3 on: Yesterday
Wow, this really help

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