The attached table lists the mean and standard deviation of two different normal distributions. In each case, a sample of 20 individuals, and a sample of 50 individuals was taken. For each sample, calculate the probability that the mean was less than the given value. Fill in the table - round to 2 decimals.
The attached table lists the mean and standard deviation of two different normal distributions. In each case, a sample of 20 individuals, and a sample of 50 individuals was taken. For each sample, calculate the probability that the mean was less than the given value. Fill in the table - round to 2 decimals.
Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter11: Data Analysis And Displays
Section: Chapter Questions
Problem 5CR
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Question 5
Can you answer all parts of this question with clearly showing which answer belongs to which part. Fill the chart with rounded to 2 decimal places

Transcribed Image Text:The table provides the mean and standard deviation for two normal distributions. Two sample sizes are tested: 20 and 50 individuals. For each sample, calculate the probability that the mean is less than a specified value. Round answers to two decimals.
| Mean | Standard Deviation | Value | n=20: Pr(mean<value) | n=50: Pr(mean<value) |
|------|---------------------|-------|--------------------|--------------------|
| -5 | 5 | -5.2 | | |
| 12 | 3 | 12.5 | | |
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