Assume that the readings at freezing on a batch of thermometers are normally distributed with a mean of 0°C and a standard deviation of 1.00°C. A single thermometer is randomly selected and tested. Find the probability of obtaining a reading between -3.027°C and -1.553 C.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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**Normal Distribution Problem:**

Assume that the readings at freezing on a batch of thermometers are normally distributed with a mean of 0°C and a standard deviation of 1.00°C. A single thermometer is randomly selected and tested. Find the probability of obtaining a reading between -3.027°C and -1.553°C.

\[ P(-3.027 < Z < -1.553) = \]

*Interactive Component:*

- There is a text box provided for inputting the calculated probability.
- A "Check Answer" button is included for submitting the response.

**Instructions for Solving:**

1. **Understand the Distribution**:
   - Mean (\(\mu\)) = 0°C
   - Standard Deviation (\(\sigma\)) = 1.00°C

2. **Z-Score Calculation**:
   - Use the Z-score formula for a standard normal distribution.

3. **Finding Probability**:
   - Use standard normal distribution tables or a calculator to find the probability between the given Z-scores of -3.027 and -1.553.

4. **Input and Verify**:
   - Insert the calculated probability into the provided text box and click "Check Answer" to verify.

This exercise helps in understanding how to work with normal distributions and Z-scores for probability calculations.
Transcribed Image Text:**Normal Distribution Problem:** Assume that the readings at freezing on a batch of thermometers are normally distributed with a mean of 0°C and a standard deviation of 1.00°C. A single thermometer is randomly selected and tested. Find the probability of obtaining a reading between -3.027°C and -1.553°C. \[ P(-3.027 < Z < -1.553) = \] *Interactive Component:* - There is a text box provided for inputting the calculated probability. - A "Check Answer" button is included for submitting the response. **Instructions for Solving:** 1. **Understand the Distribution**: - Mean (\(\mu\)) = 0°C - Standard Deviation (\(\sigma\)) = 1.00°C 2. **Z-Score Calculation**: - Use the Z-score formula for a standard normal distribution. 3. **Finding Probability**: - Use standard normal distribution tables or a calculator to find the probability between the given Z-scores of -3.027 and -1.553. 4. **Input and Verify**: - Insert the calculated probability into the provided text box and click "Check Answer" to verify. This exercise helps in understanding how to work with normal distributions and Z-scores for probability calculations.
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