The average house in a particular city costs $ 58,000 and the sales price is normally distributed with σ = $ 5,500. In a sample of 1,100 houses, how many will cost between $ 52,500 and $ 69,000 ? Note: If the answer contains a decimal number, use a period separator (*.*) with 3 digits behind it... Please help me

The average house in a particular city costs $ 58,000 and the sales price is normally distributed with σ = $ 5,500. In a sample of 1,100 houses, how many will cost between $ 52,500 and $ 69,000 ? Note: If the answer contains a decimal number, use a period separator (.) with 3 digits behind it... Please help me

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section11.5: Interpreting Data

Problem 1C

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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.

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