THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 147

Essay

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
You have recently joined a country club.Suppose that the number of times you expect to play golf in a month is represented by a normally distributed random variable with a mean of 10 and a standard deviation of 2.4.
-The number of orders that come into a mail-order sales office each month is normally distributed with a mean of 298 and a standard deviation of 15.4.For a particular sample size,the probability that the sample mean exceeds 300 is 0.2.How big must the sample be?

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Definitions:

Monozygotic Twins

Twins that originate from a single fertilized egg, sharing identical genetic material and usually very similar physical traits.

Genes

Units of heredity made up of DNA, acting as instructions to make molecules called proteins, vital for building and maintaining the body’s cells and organs.

Preeclampsia

A condition in pregnancy characterized by high blood pressure, often with fluid retention and proteinuria.

Rh Incompatibility

A condition occurring during pregnancy if a mother's Rh blood type is negative and her fetus's Rh blood type is positive, potentially leading to problems such as hemolytic disease of the newborn.