Chapter 6.1, Problem 3LC

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8th Edition

Frederick J Gravetter + 1 other

ISBN: 9781133956570

Textbook Problem

Suppose that you are going to select a random sample of *n* = 1 score from the distribution in Figure 6.2. Find the following probabilities:

**a. ** *p(X > 2)*

**b**. *p(X >* 5)

**c**. *p(X <* 3)

**(a)**

To determine

**To find:** The probability that the random variable X is greater than 2.

Explanation

**Given info:**

The data represents the frequency distribution histogram for the population score

**Calculation:**

The probability for any specific outcome is defined as a fraction or a proportion of all the possible outcomes.

The formula for calculating the probability is,

**(b)**

To determine

**To find:** The probability that the random variable X is greater than 5.

**(c)**

To determine

**To find:** The probability that the random variable X is less than 3.

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