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What is the minimal sample size needed for a 95% confidence interval to have a maximal margin of error of 0.1 in the following scenarios? (For each answer, enter a number. Round your answers up the nearest whole number.)
(a) a preliminary estimate for p is 0.22
(b) there is no preliminary estimate for p
Suppose you repeatedly play roulette in a real casino, betting the same amount each time, continuing forever as long as you have money to bet.
Let J3 = K3 - K2, the number of transmissions of message 3; J2 = K2 - K1, the number of transmissions of message 2; and J1 = K1, the number of transmissions of message 1. Derive a formula for PJ(j), the PMF of the number of transmissions of individ..
Do the students at your school feel the same way? Describe how you would go about selecting a sample to answer this question.
Setup hypotheses; perform the appropriate test at the 0.05 level of significance (or alpha) ; interperate results.
a researcher is trying to find out whether there is a difference in the racial mix measured as caucasian asian african
Bbutton to determine whether the design of the control panel was contributing to the high rate of accidents in the plant. The resulting scores were as follows:
To aid the grader, provide a table that indicates the analytes, and the outcome, that were used in YOUR analysis, and their summary statistics
Find the complex solution to this quadratic equation: x^2 + 6x + 10 = 0.
How can the binomial distribution be used in a business situation? What type of data would you use and what would you learn from this?
A local school district wants to survey parents about their attitudes toward the elimination of the marching band program as a way to save money. The school district sampled 120 parents and found 74 supported the plan to cut the band program.
What is the sensitivity, specificity, positive predictive value, negative predictive value, and accuracy of the test? Please match the measures to their correct
If you do a quantitative study (SCHOOL ADVISORY PROGRAM) for your dissertation, you must estimate the sample size you will need in order to have a reasonable chance of finding a relationship among the variables stated in your research hypotheses (..
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