Concept explainers
To find: The probability that sample mean
Answer to Problem 76E
Solution: The probability is 0.02103.
Explanation of Solution
Calculation: The sampling distribution of sample mean
The value of the mean and the standard deviation of the sampling distribution is calculated as:
And value of
The sampling distribution of
The probability that
The area left to the particular Z-score can be obtained using Excel. The following procedure is carried out in Excel:
Step 1: Open the Excel spreadsheet.
Step 2: Type
The area under the standard normal curve to the left of
Hence, the probability that
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Chapter 5 Solutions
INTRO.TO PRACTICE STATISTICS-ACCESS
- Glencoe Algebra 1, Student Edition, 9780079039897...AlgebraISBN:9780079039897Author:CarterPublisher:McGraw Hill