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Author Question: The pooled variance is used to calculate the test statistics for comparing two population means when ... (Read 86 times)

mcmcdaniel

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on: Jun 24, 2018
The pooled variance is used to calculate the test statistics for comparing two population means when the population variances are assumed to be unequal.
 
  Indicate whether the statement is true or false

Question 2

Bananas are sold in bunches at a grocery store and typically consist of 4-8 bananas per bunch. Suppose the weight of these bunches follows a normal distribution with a mean of 3.54 pounds and a standard deviation of 0.63 pounds.
 
  What is the probability that a randomly selected bunch of bananas will weigh more than 3.0 pounds?A) 0.5398
  B) 0.6950
  C) 0.8051
  D) 0.9463
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Ahnyah

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

FALSE

Answer to Question 2

C


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