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Statistics

Q1) Suppose that average annual salary for the worker in United States is $35,000 and that annual salaries for Americans are normally distributed with standard deviation equal to $6,500. Determine the following:

i) Determine percentage of Americans earn below $26,000?

ii) Determine percentage of Americans earn above $40,000?

Q2) Categorize the following as discrete or continuous random variables.

a) The number of business majors at South University

b) The time it takes to complete this assignment

c) The blood pressures of patients admitted to a hospital in one day

d) The number of people who play the state lottery each day

3) Determine the value of z such that 47.5% of distribution lies between it and mean.

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9164204

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