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1. Here are some data that I analyzed for an attorney. Of the 4200 white applicants at a large manufacturing facility, 390 were hired. Of the 850 black applicants, 18 were hired. Analyze the data and write a conclusion
2. Using the data on wrinkled and smooth pea seeds on pages 310-311, test how well the data fit a 3:1 hypothesis.
This video explains the normal distribution via the binomial distribution: The distribution of the number of heads thrown on 20 coins approximates the normal. This is used to explain that the normal distribution is the mathematical consequence of ..
messages are transmitted from low speed terminals and arrive at a message concentrator at a poisson rate of 600hr. they
Generate three random observations from the uniform distribution between -10 and 40 by using the following random numbers: 0.0965,0.5692,0.6658
A study of family income is studied through a sample of 500 randomly selected families. The results can be summarized as the mean family income was 41,000 the median income was 29,000.
a corporation creates a sinking fund in order to have 980000 to replace some machinery in 9 years. how much should be
A research firm conducted a survey to determine the mean amount people spend at a popular coffee shop during a week. They found the amounts spent per week followed a normal distribution with a population standard deviation of $4.
a sample of 27 of 172 funded projects revealed that 11 were valued at 17300 each and 16 were valued at 20220 each. from
The weight of wrestlers is normally distributed with a mean of 300 pounds and a standard deviation of 40 pounds. What is the probability that a particular wrestler will weigh less than 250 pounds?
Calculate and interpret two 95% confidence intervals to estimate the true mean Budget value. The first will assume normality and use a z-interval; the second will assume a t-interval.
1.as part of a promotion for a new type of cracker free samples are offered to shoppers in a local supermarket. the
question a researcher wishes to try three different techniques to lower blood pressure. subjects are randomly assigned
computing a linear regression equation to predict the future values of the dependent variable y.1.nbsp the estimators
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