Question on sample mean, Recent studies indicate that the

Question on sample mean

Reference no: EM1394842

Recent studies indicate that the typical 50-year-old woman spends $350 per year for personal-care products. The distribution of the amounts spent is positively skewed. We select a random sample of 40 women. The mean amount spent for those sampled is $335, and the standard deviation of the sample is $45. What is the likelihood of finding a sample mean this large or larger from the specified population?

Reference no: EM1394842

Questions Cloud

General population of adults in united states : Dr. Bundy recently earned permission from the warden of a local prison to use prisoners to study the effects of the drug Zoloft on depression.

Variable linear regression analysis : What is the best first glance prediction you can give the customer about the value of his house given your 2 variable linear regression analysis?

Test for single samples : A cognitive psycholgist believes that a particular drug improves short-term memory. The drug is safe, with no side effects. An experiment is conducted in which 8 ramdomly selected subjects are given the drug and then given a short time to memorize..

Write essay on psychographics on werner company : Write the essay on psychographics on Werner Company ladders /climbing equipment. Discover any psychographic information on this product. Explain the psychograpics part?

Question on sample mean : Recent studies indicate that the typical 50-year-old woman spends $350 per year for personal-care products. The distribution of the amounts spent is positively skewed.

Determining the concentration of nacl : Determining the concentration of nacl that is isotonic for a plant parenchyma cell using 1.0 M nacl, water, test tubes in which to dilute a th nacl, using elodea leaves.

Investment in marketable securities of other corporations : Cone Corporation is in the process of preparing its December 31, 2013, balance sheet. There are some questions as to the proper classification of the following items: Investment in marketable securities of other corporations, $80,000. Cone intends ..

Sampling and subjective probability : What are some conditions under which business decisions are made using subjective probability concepts? Could you please cite two examples of subjective probability.

Determine sampling exercises : What are the theoretical parameters for the sampling distribution based on these 40 trains? Assume you are dealing with an infinite population of trains.

User Account

All Pages