If the odds in favor of an event happening are 1 to 2, then the probability that event A occurs is ...

If the odds in favor of an event happening are 1 to 2, then the probability that event A occurs is 0.5.
 
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Q. 2

In testing H0 : Px - Py = 0, an estimate of the common population proportion is a weighted average of the two sample proportions, the weights being equal to the sample sizes.
 
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Q. 3

The theoretical development of inferential procedures is based on the mean because it is considerably more straightforward than developmental procedures based on the median.
 
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Q. 4

The value of the standard error of the mean is determined by dividing the total error by the sample size.
 
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Q. 5

Construct a relative frequency and percent distributions of the data.
 
  What will be an ideal response?