MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Estimation
A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.
Question

A student would like to estimate the proportion of the senior class that plans to attend prom this year. The student goes to the guidance office and gets a list of the names of all 274 seniors. Using the list, she selects a simple random sample of 50 students and finds that 76% of the selected students plan to attend prom this year. She would like to construct a 95% confidence interval for the proportion of the entire senior class that plans to attend prom this year. Are the conditions for inference met?

  • (A) Yes, all conditions for inference are met.
  • (B) No, although the random and large counts conditions are met, the 10% condition is not met.
  • (C) No, although the random and 10% conditions are met, the large counts condition is not met.
  • (D) No, there are two conditions for inference that are not met.
  • (E) No, none of the conditions for inference are met.
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