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Use the given data to find the minimum sample size required to estimate a population proportion or percentage. Margin of error: 0.08; confidence level 90%; p-hat and q-hat unknown N=__
Write the expression below as simply as possible in its radical form. Assume that all of the variables in the expression represent positive real numbers.
A random sample of 17 wolf litters in Ontario, Canada gave an average of x1= 4.9 wolf pups per litter, with estimated sample standard deviation s1 - 1.0.
a medical test for malaria is subject to some error. given a person who has malaria the probability that the test will
Large university health system, 55 of 120 randomly selected physicians were women. Find the critical values to two decimal places if alpha=0.05.
Compare and contrast internal and external validity. Describe and give examples of research questions for which external validity is a primary concern.
A psychologist studied self-esteem scores and found the data set to be normally distributed with a mean of 50 and a standard deviation of 6. A raw score of 47 is associated with what percentile?
Use factoring, the quadratic formula, or identities to solve the following equations:
There are 6 children in a family. The number of children defines a population. The number of simple random samples of size 2 that are possible equals:
A board game enthusiast wonders whether the die provided in her board game is fair. She rolls the die 25 times and observes "6" only one time. State the relevant statistical model and hypotheses. Calculate the p-value and provide a conclusion. ..
Probability based on a random experiment - What is the probability of not randomly generating your cousin's telephone number?
the article high levels of mercury are found in californians describes a study in which hair samples were tested for
question suppose that you observe the following service times in minutes by a bank teller 1 2 1 7 2 4.a. what is the
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