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Seventy percent of the students applying to a university are accepted. Using the binomial probability tables or Excel, what is the probability that among the next 18 applicants:
1. At least 6 will be accepted?
2. Exactly 10 will be accepted?
3. Exactly 5 will be rejected?
4. Fifteen or more will be accepted?
5. Determine the expected number of acceptances.
6. Compute the standard deviation.
Use a 0.05 significance level to test the claim that the heights of female supermodels vary less than the heights of women in general.
a bag contains 3 red 5 orange and 8 green jellybeans. what is the probability of reaching in the bag and randomly
Suppose that the proportion of statistics students who are sophomores is 20%. We take a random sample of 10 statistics students. Use the binomial formula to find the probability that the sample contains exactly 2 sophomores.
A person's body temperature is found to be 101.00 °F. Is the result unusual? Why or why not? What should you conclude? What body temperature is the 95th percentile?
without regard to order in how many way can you select four individuals from a group of seven? please show
q1. the internal auditing staff of a local manufacturing company performs a sample audit each quarter to estimate the
To explain this, be sure to explain whether the null hypothesis should be rejected, the likelihood of that decision being an error, and why it might have been an error.
A market researcher is interested in knowing the type of training that works best for DVD users. Thirty consumers are randomly selected from a population of known DVD owners (i.e., users).
Decision making under risk is the same as decision making under uncertainty because in both the probabilities are unknown.
A certain company relies heavily on phone orders. Suppose past records show that R% of all incoming phone calls to this company are orders from customers.
A health services provider has been reimbursed by a national health insurance organization for a large number of services. It appears that overpayments may have occurred on many of the reimbursements
Can you tell me what are the advantages and limitations of applying nonparametric tests in solving business problems?
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