Find the area under the standard normal curve; between z = -2.23 and z = 1.21 O 0.8499 O 0.874 -0.1527 0.1501

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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**Question:**

Find the area under the standard normal curve between \( z = -2.23 \) and \( z = 1.21 \).

**Options:**

- ○ 0.8499
- ○ 0.874
- ○ -0.1527
- ○ 0.1501

**Explanation:**

This problem involves finding the probability represented by the area under the standard normal curve between two z-scores, \(-2.23\) and \(1.21\). The standard normal curve is a bell-shaped curve that is symmetrical around the mean, which is zero. The total area under the curve is equal to 1.

To find the area between these z-values, you would typically use a standard normal distribution table (z-table) or a calculation tool that provides cumulative probabilities for z-scores. Alternatively, software or a calculator with statistical functions can also be used to find this area.
Transcribed Image Text:**Question:** Find the area under the standard normal curve between \( z = -2.23 \) and \( z = 1.21 \). **Options:** - ○ 0.8499 - ○ 0.874 - ○ -0.1527 - ○ 0.1501 **Explanation:** This problem involves finding the probability represented by the area under the standard normal curve between two z-scores, \(-2.23\) and \(1.21\). The standard normal curve is a bell-shaped curve that is symmetrical around the mean, which is zero. The total area under the curve is equal to 1. To find the area between these z-values, you would typically use a standard normal distribution table (z-table) or a calculation tool that provides cumulative probabilities for z-scores. Alternatively, software or a calculator with statistical functions can also be used to find this area.
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