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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?
Construct a bar and pie chart to graphically display these data by using Microsoft excel.
Determine the p-value, and at 95% confidence, test the hypotheses.
Find the probability that the number who say oatmeal is their favorite cookie is (a) exactly four, (b) at least four, and (c) less than four.
"If you took 40 employees at random from the corporation, there is a pretty good chance the average number of days absent would be 12 or more. That's what happened to us - chance variation." Is this a good defense? Justify your answer.
Confirm that these statements are accurate by finding the geometric mean rate of increase.
What is the probability that the total number of customers who enter the supermarket in one day is greater than 11700?
For each sample, carry out a Z test using the five steps hypothesis testing with a two-tailed test at the .05 significance level, and make a drawing of the distributions involved.
Report the t-value, whether you accept or reject Ho, and whether the difference was significant in a brief sentence.
A system is tested for 10,000 hours and experiences 2 failures. Its failure rate is believed to be Poisson distributed.
The reason why we finish our calculation by dividing range by 4 is that in most data sets 95% of the data values fall within two standard deviations of the mean.
he population consists of all 15 year olds living in the attendance district of a local high school. You plan to obtain a simple random sample of 200 such residents by using the roster of the high school as the sampling frame.
Does the normal distribution yield a good approximation of the actual results?
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