Baby weights: The weight of male babies less than 2 months old in the United States is normally distributed with mean 11.7 pounds and standard deviation 2.9 pounds. Use the TI-83 Plus/TI-84 Plus calculator to answer the following. Round the answers to four decimal places.

Baby weights: The weight of male babies less than 2 months old in the United States is normally distributed with mean 11.7 pounds and standard deviation 2.9 pounds. Use the TI-83 Plus/TI-84 Plus calculator to answer the following. Round the answers to four decimal places.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter6: Ratio, Proportion, And Probability

Section6.7: Probability And Odds

Problem 1C

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Question

(d) Is it unusual for a baby to weigh more than 17 pounds?
(Choose one) ▼
because the probability that a baby weighs more than 17 pounds is
Yes
No

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.

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