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Author Question: A random sample of 36 students at a community college showed an average age of 25 years. Assume the ... (Read 165 times)

genevieve1028

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on: Jun 24, 2018
A random sample of 36 students at a community college showed an average age of 25 years. Assume the ages of all students at the college are normally distributed with a standard deviation of 1.8 years. The 98 confidence interval for the average age of all students at this college is _____.
 a. 24.301 to 25.699
  b. 24.385 to 25.615
  c. 23.200 to 26.800
  d. 23.236 to 26.764

Question 2

Excel's EXPON.DIST function can be used to compute _____.
 a. exponents
  b. exponential probabilities only
  c. cumulative exponential probabilities only
  d. both exponential and cumulative exponential probabilities


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macmac

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

a

Answer to Question 2

d


genevieve1028

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Reply 2 on: Jun 24, 2018
Excellent

sultana.d

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Reply 3 on: Yesterday
Wow, this really help

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