Statistics Quiz with Solutions (10 questions)

by Electra Radioti

Statistics Quiz with Solutions (10 questions)

Statistics Quiz with Solutions (10 questions)

1 / 10

For hypothesis tests involving a single population proportion with large samples, the test statistic is distributed according to:

2 / 10

Calculate the expected value (mean) of a binomial distribution with parameters \(n = 10\) and \(p = 0.3\).

3 / 10

A(n) _____ is a value that represents a characteristic of the sample data.

4 / 10

For the sample space \(S = \{a, b, c, d, e\}\), identify the complement of \(B = \{b, d\}\).

5 / 10

The proportion of a population exhibiting a specific characteristic is \(p = 0.35\). Determine the mean of the sample proportion derived from random samples of size \(n = 900\).

6 / 10

Determine the probability, \(P(-2.05 < Z < 1.96)\), for a standard normal variable \(Z\).

7 / 10

For a standard normal variable \(Z\), which of the following z-values satisfies the expression: \(P(Z \leq z) = 0.7734\).

8 / 10

A numerical value produced by a stochastic process is referred to as a(n) _____.

9 / 10

A particular selection from a sample space is known as a(n) _____.

10 / 10

A random sample of size 169 is drawn from a population where the proportion possessing the desired trait is \(p = 0.48\). Determine the standard error of the sample proportion.

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