Purchase Solution

find the probability within 2 SD using empirical rule

Not what you're looking for?

Ask Custom Question

Weights of regular coke.
Using sample data on the weights of coke, we find that the mean is 0.81682 lbs., the standard deviation is 0.00751 lbs, and the distribtution is approx. bell-shaped. Using the empirical rule, what is the approx percentage of cans of regular coke with weights between 0.80180 lbs. and 0.83184 lbs?

Purchase this Solution
Solution Summary

The solution explains how to apply empirical rule to calculate the probability that the weight is within 2 standard deviation range.

Solution Preview

The empirical rule states that if data follow a bell-shaped curve, then approximately 68%, 95%, and 99.7% ...

Purchase this Solution
Free BrainMass Quizzes
Know Your Statistical Concepts

Each question is a choice-summary multiple choice question that presents you with a statistical concept and then 4 numbered statements. You must decide which (if any) of the numbered statements is/are true as they relate to the statistical concept.

Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.

Measures of Central Tendency

This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.

Measures of Central Tendency

Tests knowledge of the three main measures of central tendency, including some simple calculation questions.

View More Free Quizzes
Related BrainMass Solutions

  • Chebyshevs Theorem and Empirical Rule

    Use the Empirical Rule to find what two values 99.7% of the data will fall between for a data set with a mean of 246 and standard deviation of 16.

  • using empirical rule to find the probability

    The percentage of people taking the test who score between 66 and 954 is _99.7_% The solution explains how to apply the empirical rule to calculate the probability.

  • empirical rule

    (For more about the empirical rule: see http://en.wikipedia.org/wiki/68-95-99.7_rule) Since the VIX quote of 21 means 21% annualized volatility for the next 30 days, we can use the empirical rule to find the probability that the S&P will remain within

  • Chebyshev's Theorem and Confidence Interval

    (b) Use the Empirical Rule to find what two values 95% of the data will fall between for a data set with mean 234 and standard deviation of 12.

  • Probability Based on the Sampling Distribution

    By the Empirical Rule, under the standard normal curve, around 68% of the sample observations will fall within 1 standard deviation from the mean.

  • Chebyshev Theorem and Confidence Interval

    a) Use Chebyshev's theorem to find what percent of the values will fall between 120 and 150 for a data set with mean of 135 and standard deviation of 7.5 b) Use the Empirical Rule to find what two values 95% of the data will fall between for a data

  • Descriptive Statistic Calculations

    Using that is the empirical rule, what is the approximate percentage of the men between the following values? a) 165 cm and 179cm b) 151cm and 193cm 2.

  • The Empirical Rule For Statistics Students

    This rule states that for a normal distribution, about 68% of all values fall within 1 standard deviation of the mean, about 95% of the values fall within 2 standard deviations of the mean, and about 99.7% of all values fall within the standard deviation

  • Questions on Probabilities and Statistical Distributions

    Using the empirical rule, what is the approximate percentage of the men between the following values? a. 167cm and 203cm b. 179cm and 191cm 2.

View More Related Solutions