Statistics Quiz with Solutions (5 Questions)

by Electra Radioti

Statistics Quiz with Solutions (5 Questions)

Statistics Quiz with Solutions (5 Questions)

1 / 5

The _____ of a continuous random variable X is an assignment of probabilities to intervals of decimal numbers using a function f(x), called a density function.

2 / 5

A(n) _____ is any specific collections of objects of interest.

3 / 5

Consider a sample space S = {l, m, n, o}. Suppose P(l) and P(m) are each 0.3 and P(n) = 0.2. Find P(o).

4 / 5

A random sample of 8 students are selected from a class of 45 and their heights (in inches) were recorded as follows: {62.3, 68, 64, 66.1, 65.4, 61.8, 65.2, 68.6}. Compute the sample median.

5 / 5

For a standard normal variable Z, which of the following z values satisfies the expression: P(Z  z) = 0.5636.

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