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Discuss the techniques used to solve equation containing radical expressions. Why is it necessary to check the solutions for such equation? Give an example - solve it and check its solutions.
Write an essay (suggested length of 1-2 pages) in which you describe how student error, student and teacher misconceptions, and instructional activities are interrelated in mathematics instruction.
Find significant difference in automobile insurance rates in different cities of comparable size in U.S.? To answer this question a survey was taken in 3 cities.
Use the empirical rule to test for normality. See the sampling distribution of sample means and the central limit theorem develop from your own data
Use the ruler in your reference materials to mark necessary measurements to approximate in centimeters the length and width of chalkboards. About how much smaller in meters is the perimeter of small
The average price (x¯) is determined to be $1.20 per liter. What formula would you use to find out whether new efficiency measures were effective? (a = 0.05)
Determine the name of probability distribution of X? Obtain the pdf and the cdf tables for this distribution. What is the mean of this distribution?
The time to produce each item is normally distributed around mean of 27 minutes with standard deviation of 2.5 minutes. Thus, the population of production times is normal in shape. Compute the mean
The standard deviation of population (σ) is $750, what formula would you use to find out 95% confidence interval for true mean advertising expense?
Find an article on a current event related to macroeconomics. Briefly summarize the article and state how a concept in this course relates to the article.
You are a census officer in a newly democratic nation and you have been charged with using the census data from the table below to determine how 100 congressional seats should be divided among the 1
Why would nickel diameters differ? Create 99 percent confidence interval for true mean diameter of nickel. Explain any assumptions which are needed.
Discuss the rules for your state lottery (such as 60 balls total, with 5 balls picked each drawing). Use combinations to determine your probability of winning grand prize.
Suppose that thermometer readings are normally distributed with mean of 0 and standard deviation of 1. A thermometer is randomly selected and tested. The probabilty of getting reading between -1.46
Describe (in detail) each step of machine cycle. Illustrate contents of each of registers and each of memory cells after execution of the code.
Suppose that adults have IQ scores which are normally distributed with mean of 105 and standard deviation of 20. Find P2, which is the IQ score separating bottom 2% from the top 98%.
Describe a real-world problem you have encountered, in either your personal or professional life, in which you needed to use fractions or decimals to solve the problem.
Explain research hypothesis and null hypothesis, difference between two, and what makes a good hypothesis. What do you mean by one-tailed and two-tailed hypothesis?
Using a 90% confidence interval, does this sample support findings of Mortgage Bankers Association? What is the margin of error for this sample?
Explain why the confidence level effects the sample size needed to obtain a particular margin of error?
What is the probability that mean annual precipitation during 25 randomly picked years will be less than 90.8 inches?
According to the Bureau of Labor Statistics, the average hourly wage in US was $22.57 in May 2010. A random sample of 36 hourly workers was selected throughout the month.
The diameters of bolts produced by certain machine are normally distributed with mean of 0.30 inches and standard deviation of 0.01 inches.
Travelocity would like to measure the current average domestic airfare. The following data describes the airfares for 24 randomly selected tickets for travel in United States:
A standard deviation of 5 hours. What percentage of bulbs has lifetimes which lie within 1 standard deviation of mean on either side?