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Twenty cancer patients volunteer for a clinical trial. Ten of the patients will receive a placebo and 10 will receive the trial drug. In how many different ways can the researches select to patients to receive the trial drug from the total of 20?
Statistics and Probability, Statistics
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The critical boundaries (Zcrit) for a hypothesis test are z = +1.96 and z = -1.96. If the z-score for the sample data is z = -1.90, then what is the correct statistical decision? A) Reject H1 B) Fail to reject H1 C) Re ...
What is the sample size for studies with MOE of +/-3.5% and +/-2.8%?, with a confidence level of 95%, sample statistics of .50? Please show work.
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a) One bond has a coupon rate of 8 percent, another a coupon rate of 12 percent. Both bonds pay coupons annually, have 10-year maturities, and sell at a yield to maturity of 10 percent. If their yields to maturity next y ...
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