Suppose that the value of n in a binomial distribution is fixed, but we let the value of p vary. As the value of p increases from values near 0 to values close to 1, what conclusion can be made about the mean of the distribution?
a. The mean will decrease in value and become closer in value to 0.
b. The mean will increase in value and become closer in value to n.
c. The mean will not change in value.
d. No conclusion can be made about the value of the mean.
Question 2
Which of the following best describes a relative class frequency?
a. It is the number of observations that falls into a given class in a frequency distribution.
b. It is the proportion of all observations that falls into a given class in a frequency distribution.
c. It is the difference between the numerical lower and upper limit of a class of quantitative data.
d. It is the number of observations that falls into the smallest class in a frequency distribution.
e. None of these.
Geographic distribution of early hominins.
The Distribution of Water on Earth
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