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Author Question: In an effort to identify the true proportion of college freshman who are under 18 years of age, a ... (Read 54 times)

bobypop

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on: Jun 24, 2018
In an effort to identify the true proportion of college freshman who are under 18 years of age, a random sample of 500 freshmen was taken. Fifty of them were under the age of 18 . The value 0.10 is a point estimate of the true proportion of freshman under age 18.
  Indicate whether the statement is true or false

Question 2

The sample correlation coefficient between x and y is 0.375 . It has been found out that the p-value is 0.256 when testing H0:  = 0 against the two-sided alternative H1:   0 . To test H0:  = 0 against the one-sided alternative H1:  > 0 at a significant level of 0.193, the p-value will be equal to
 a. 0.128
  b. 0.512
  c. 0.744
  d. 0.872


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cclemon1

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

T

Answer to Question 2

A


bobypop

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Reply 2 on: Jun 24, 2018
Excellent

yeungji

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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