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Mr. X invites 15 relatives to a party: his mother, three uncles, two aunts, four brothers, and five cousins. If the chances of any one guest arriving first are equally likely, find the following probabilities:
a. the first guest is an uncle or a cousin
b. the first guest is a brother or a cousin
c. the first guest is an uncle or her mother
Find a 95% confidence interval for the true proportion of patients who experienced cotton mouth. Show your calculations and/or explain the process used to obtain the interval.
A client comes to you thinking about starting a consulting business. Your client is specifically interested in what type of entity should be created for this new business.
how is the t-test for correlated groups and the t-test for single samples similar and
in a random sample of 28 four-person tents the mean proce was 344.19 and the standard deviation was 61.32. assume the
find an online report of a simple research study that includes statistics. you must include website link to the report
What do confidence intervals represent? What is the most controllable method of increasing the precision of or narrowing the confidence interval? What percentage of times will the mean, or population proportion, not be found within the confidence ..
State the null hypothesis H 0 and the alternative hypothesis H 1 that we would use for this test. Determining null and alternative hypotheses for the height of a plant.
Doing A/B testing on an ecommerce web site. I have been working on rule of thumb of 500 vistors through each page or 50 conversions on one of the page before ending the test and deciding which is the best page
consider the following. give your answers correct to two decimal places.a find the standard score z such that the area
A large university says the mean number of classroom hours per week for full-time faculty is more than 9. A random sample of the number of classroom hours for full-time faculty for one week is listed. At 945; = 0.05 , test the university's claim.
a large manufacturing firm tests job applicants. test scores are normally distributed with a mean of 500 and a standard
A sample of patients for one busy primary care practice is used as the comparison group. What is the research design and its variables?
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