Sampling distribution of the Mean for Ping-Pong balls
Not what you're looking for?
The diameter of Ping-Pong balls manufactured at a large factory is approximately normally distributed, with a mean of 1.30 inches and a standard deviation of 0.04 inch. If you slect a random sample of 16 Ping-Pong balls,
a) What is the sampling distribution of the mean?
b) What is the probability that the sample mean is less than 1.28inches?
c) What is the probability that the sample mean is between 1.31 and 1.33 inches?
d) The probability is 60% that the sample mean will be between what two values, symmetrically distributed around the population?
Purchase this Solution
Solution Summary
The expert examines sampling distribution of the mean for Ping-Pong balls.
Solution Preview
Let X denotes diameter of Ping-Pong balls. Given X follows Normal distribution with mean µ = 1.30 inches and standard deviation = 0.04 inches. This is denoted by .
Let denotes the sample mean of ...
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
Tests knowledge of the three main measures of central tendency, including some simple calculation questions.
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.