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Author Question: A random sample of 10 parking meters in a resort community showed the following incomes for a day. ... (Read 51 times)

khang

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on: Jul 24, 2018
A random sample of 10 parking meters in a resort community showed the following incomes for a day. Assume the incomes are normally distributed.
 
  Find the 95 confidence interval for the true mean. Round to
  the nearest cent.
  3.60 4.50 2.80 6.30 2.60 5.20 6.75 4.25 8.00 3.00
  A) (3.39, 6.01 ) B) (2.11, 5.34 ) C) (4.81, 6.31 ) D) (1.35, 2.85 )

Question 2

Find the critical value F0 for a left-tailed test using  = 0.05, degrees of freedom in the numerator = 6, and degrees of freedom in the denominator = 16.
 
  A) 0.255 B) 2.74 C) 2.66 D) 0.365


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memslove

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

A

Answer to Question 2

A


khang

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Reply 2 on: Jul 24, 2018
:D TYSM

miss.ashley

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Reply 3 on: Yesterday
Wow, this really help

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