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Author Question: Suppose you selected a random sample of n = 29 measurements from a normal distribution. Compare the ... (Read 140 times)

CBme

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on: Jul 24, 2018
Suppose you selected a random sample of n = 29 measurements from a normal distribution. Compare the standard normal z value with the corresponding t value for a 95 confidence interval.
 
  What will be an ideal response?

Question 2

It a recent study of college students indicated that 30 of all college students had at least one tattoo. A small private college decided to randomly and independently sample 15 of their students and ask if they have a tattoo.
 
  Use a binomial probability table to find the probability that exactly 5 of the students reported that they did have at least one tattoo.
  A) 0.515 B) 0.722 C) 0.207 D) 0.218


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tashiedavis420

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

z: 1.96 and t: 2.048; The t value is a little bigger than the z value.

Answer to Question 2

C


CBme

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Reply #2 on: Jul 24, 2018
Thank you!


tashiedavis420

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Reply #3 on: Jul 24, 2018
Always glad to help...


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