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Please assist me with figuring this problem out.
The income for the US has a normal distribution with a population mean of $50,000 and a population standard deviation of $4,000.
a. A random sample of 1600 people was taken. What is the probability that the mean income for that sample will be greater than $50,200?
b. A random sample of 400 people was taken. What is the probability that the mean income for that sample will be greater than $49,700?
c. A random sample of 100 people was taken. What is the probability that the mean income for that sample will be less than $49,000?
What recommendations would you make to ensure that the electronic health record could successfully provide data capable of meeting public health's requirements.
(a) Find the expected total number of storms in the next two years (that is, in years 1 and 2). (b) Find the probability there are no storms in year 3. (c) Find the long-run average number of storms per year.
1. Electrical resistance is the opposition which is offered by electrical conductors to the flow of current. The unit of resistance is the ohm.
what is the taguchi constant for a device that costs 400 to repair and a tolerance of plus or minus 0.5 mm with a mean
which of the following is false about simple linear equationsa. it uses an equation to predict the values of y from the
Statistics journals. When a professional statistician has information to share with colleagues, he or she will submit an article to one of several Statistics.
A compound found in crude oil consists of 93.71% C and 6.29% H by mass. The compound is 128 g/mol. What is the molecular formula?
A company buys 100 lightbulbs, each of which has an exponential lifetime of 1000 hours. What is the expected time for the first of these bulbs to burn out?
a particular variety of watermelon weighs on average 23.8 pounds with a standard deviation of 1.35 pounds. consider the
(a) Apply the preflow-push algorithm with initial prices p1 = 0, and pi = N -i for i = 2,...,N. Use two different methods to choose the node for iteration: (1) Select the node with highest price, and (2) Select the node with lowest price. Explain ..
Los Angeles and New York. The Bureau of Labor Statistics publishes separate consumer price indexes for major metropolitan areas in addition to the national CPI.
Assume that 90 percent of all defendants are guilty, 90 percent of the guilty defendants are convicted, and 90 percent of the innocent defendants are set free.
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