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If someone told you (a)Asian Americans and Pacific Islanders are a model minority,and (b) Asian Americans and Pacific Islanders belong to a single Asian American culture, what do you say to them to convince them both statements are misconceptions?
Perform an appropriate hypothesis test, showing the necessary calculations and/or explaining the process used to obtain the results.
Assume that the amount your town's population grows every year is fixed or constant. Utilize your equation in part b to approximate the population in the year 2030.
Scores on a test are normally distributed with a mean of 60.9 and a standard deviation of 12. Find P81, which separates the bottom 81% from the top 19%.
Create a 98 percent confidence interval for the population mean.
What is the probability of randomly selecting a student with a treadmill time greater than 25 minutes? In symbols, p(X>25)= ? What is the probability of randomly selecting a student with a time greater than 30 minutes? In symbols, p(x>30) ?
Transportation problem using the stepping stone method
Jessica must finish two courses (much like myself), statistics and economics, in order to complete the requirements for a BA degree. All along she has maintained an 80% average.
The exercise problem the following information to figure prevalence and incidence rate:
Assume that a random variable, x, is distributed according to a normal distribution with mean 12 and standard deviation 2. Find the z-value if:
Find the sample mean and sample standard deviation of the amount citizens spend per year. When finding a confidence interval for the true mean spent of ALL citizens, should we use a z-score or a t-score? Why?
Give all steps of a test of the hypothesis that the corresponding population proportions are equal.
An economics course are independent events, what is the probability that a randomly selected student is registered in either a math course or an economics course?
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