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Author Question: The principal randomly selected six students to take an aptitude test. Their scores were: 72.3 ... (Read 67 times)

joe

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on: Aug 2, 2018
The principal randomly selected six students to take an aptitude test. Their scores were:
 
  72.3 87.0 82.6 86.1 84.5 74.8
  Determine a 90 percent confidence interval for the mean score for all students.
  A) 76.13 <  < 86.30 B) 76.03 <  < 86.40 C) 86.30 <  < 76.13 D) 86.40 <  < 76.03

Question 2

What is the probability of randomly selecting a person who died from cancer?
 
  A) 0.00171 B) 4.08778 C) 0.00058 D) 0.24463


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kiamars2010

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Reply #1 on: Aug 2, 2018
Answer to Question 1

A

Answer to Question 2

A


joe

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Reply 2 on: Aug 2, 2018
Excellent

aruss1303

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Reply 3 on: Yesterday
Wow, this really help

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