The number of women having a heart rate less than 70, if 200 women are examined and the heart rates of 21-year-old women are normally distributed with mean 68 beats per minute and standard deviation 4 beats per minute.

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Answer 1

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Features Features Normal distribution is characterized by two parameters, mean (µ) and standard deviation (σ). When graphed, the mean represents the center of the bell curve and the graph is perfectly symmetric about the center. The mean, median, and mode are all equal for a normal distribution. The standard deviation measures the data's spread from the center. The higher the standard deviation, the more the data is spread out and the flatter the bell curve looks. Variance is another commonly used measure of the spread of the distribution and is equal to the square of the standard deviation.

Chapter 14.4, Problem 53E

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To find:

The number of women having a heart rate less than 70, if 200 women are examined and the heart rates of 21-year-old women are normally distributed with mean 68 beats per minute and standard deviation 4 beats per minute.

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Answer 2

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Features Features Normal distribution is characterized by two parameters, mean (µ) and standard deviation (σ). When graphed, the mean represents the center of the bell curve and the graph is perfectly symmetric about the center. The mean, median, and mode are all equal for a normal distribution. The standard deviation measures the data's spread from the center. The higher the standard deviation, the more the data is spread out and the flatter the bell curve looks. Variance is another commonly used measure of the spread of the distribution and is equal to the square of the standard deviation.

Chapter 14.4, Problem 53E

To determine

To find:

The number of women having a heart rate less than 70, if 200 women are examined and the heart rates of 21-year-old women are normally distributed with mean 68 beats per minute and standard deviation 4 beats per minute.

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Answer 3

Question

Features Features Normal distribution is characterized by two parameters, mean (µ) and standard deviation (σ). When graphed, the mean represents the center of the bell curve and the graph is perfectly symmetric about the center. The mean, median, and mode are all equal for a normal distribution. The standard deviation measures the data's spread from the center. The higher the standard deviation, the more the data is spread out and the flatter the bell curve looks. Variance is another commonly used measure of the spread of the distribution and is equal to the square of the standard deviation.

Chapter 14.4, Problem 53E

To determine

To find:

The number of women having a heart rate less than 70, if 200 women are examined and the heart rates of 21-year-old women are normally distributed with mean 68 beats per minute and standard deviation 4 beats per minute.

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Answer 4

Question

Features Features Normal distribution is characterized by two parameters, mean (µ) and standard deviation (σ). When graphed, the mean represents the center of the bell curve and the graph is perfectly symmetric about the center. The mean, median, and mode are all equal for a normal distribution. The standard deviation measures the data's spread from the center. The higher the standard deviation, the more the data is spread out and the flatter the bell curve looks. Variance is another commonly used measure of the spread of the distribution and is equal to the square of the standard deviation.

Chapter 14.4, Problem 53E

To determine

To find:

The number of women having a heart rate less than 70, if 200 women are examined and the heart rates of 21-year-old women are normally distributed with mean 68 beats per minute and standard deviation 4 beats per minute.

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Answer 5

Chapter 14.4, Problem 53E

To determine

To find:

The number of women having a heart rate less than 70, if 200 women are examined and the heart rates of 21-year-old women are normally distributed with mean 68 beats per minute and standard deviation 4 beats per minute.

Answer 6

Chapter 14.4, Problem 53E

To determine

To find:

The number of women having a heart rate less than 70, if 200 women are examined and the heart rates of 21-year-old women are normally distributed with mean 68 beats per minute and standard deviation 4 beats per minute.

Answer 7

Chapter 14.4, Problem 53E

To determine

To find:

The number of women having a heart rate less than 70, if 200 women are examined and the heart rates of 21-year-old women are normally distributed with mean 68 beats per minute and standard deviation 4 beats per minute.

Answer 8

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Answer 9

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Answer 10

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Answer 11

The number of women having a heart rate less than 70, if 200 women are examined and the heart rates of 21-year-old women are normally distributed with mean 68 beats per minute and standard deviation 4 beats per minute.

To find: The number of women having a heart rate less than 70, if 200 women are examined and the heart rates of 21-year-old women are normally distributed with mean 68 beats per minute and standard deviation 4 beats per minute.

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Chapter 14 Solutions

To find:

The number of women having a heart rate less than 70, if 200 women are examined and the heart rates of 21-year-old women are normally distributed with mean 68 beats per minute and standard deviation 4 beats per minute.