Determining proportion of sample means

Reference no: EM1323089

Q1) Diameter of Ping-Pong balls manufactured at large factory is expected to be approximately normally distributed with mean of 1.30 inches and standard deviation of 0.04 inches. Determine the probability that a randomly selected Ping-Pong ball will have a diameter of:

a) Between 1.28 and 1.30 inches?

b) Between 1.31 and 1.33 inches?

c) Between what two values will 60% of Ping-Pong balls fall (in terms of the diameter)? If arbitrary samples of 16 Ping-Pong balls were selected,

d) What proportion of sample means would be between 1.31 and 1.33 inches? If random samples of 100 Ping-Pong balls were selected,

e) What proportion of sample means would be between 1.31 and 1.33 inches?

f) Compare your results in (b), (d) and (e).

Reference no: EM1323089

Questions Cloud

Replenishment system illustrates a tactical utilize : Do recent economics actions justify greater regulation in the financial services industry Wall Marts continuous replenishment system illustrates a tactical utilize of information services.

Finding best decision using decision criteria : Find out best decision, by using following decision criteria.

Benefits of drug testing to employers and employees : What are the benefits of drug testing to employers and employees? What are the costs? Under what conditions would the benefits outweigh the costs?

Do a discussion on the model of perfect competition : Do a discussion on the model of perfect competition also adopting strategies to gain marketplace power in competitive industries.

Determining proportion of sample means : What proportion of sample means would be between 1.31 and 1.33 inches?

Alternative has a value for bill as described : Every alternative has a value for bill as described in the subsequent. Illustrate what is bill's prospect cost for attending class

Decision making systems : How we may leverage business intelligent to generate meaningful information and decision making systems in order to help the keep cost and the profits.

Major political risks associated with investing in foreign : What are some of the major political risks associated with investing in a foreign country? How does the threat of global terrorism effect foreign investment and the foreign-exchange market in the world today?

Product you consume for which your marginal utility : Give an example of a product you consume for which your marginal utility increases with the amount of your consumption

User Account

All Pages