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A random sample of 30 binomial trials resulted in 12 successes. Test the claim that the population proportion of successes does not equal 0.50. Use a level of significance of 0.05.
(a) Can a normal distribution be used for the ^p distribution? Explain.
(b) State the hypotheses.
(c) Find (or estimate) the P-value. (Enter a number. Round your answer to four decimal places.)
Compute the corresponding standardized sample test statistic. (Enter a number. Round your answer to two decimal places.)
(d) Find the P-value of the test statistic. (Enter a number. Round your answer to four decimal places.)
(e) Do you reject or fail to reject H0? Explain.
(f) What do the results tell you?
What is the incidence density (per 1,000 patient-days) of severe sepsis on this service? Report your answer to two decimal places.
(a) Prepare to do this by using the mixed congruential method to generate a sequence of five random integer numbers between 0 and 31 such that
Write the null and alternate hypothesis.
Consider the seven-component system shown in given Figure.- Find the reliability of the system after 1000 hours. What is the mean time to failure of the system?
Find a combinatorial expression for the probability that the chosen balls are equally divided in color. Use Stirling's formula to estimate this probability.
If $145,000 is to be distributed as a dividend for the current year, what total amount will be distributed to the preferred stockholders?
What is the 99% confidence interval for the average amount of time all web customers of her company will spend visiting the new website?
Discuss confidence interval estimation and sample size. How does sample size affect in the estimation of a confidence level?
What is the real interest rate you expect to earn on your deposit over the next year?
In about 300 words (indicate your word count), provide an executive summary of your analysis and findings to Mr. Nitin with respect to the opportunities to maximise revenue.
If your roll comes up "doubles" (same face is up on both dice) you win $30; if not, you win nothing. What is the expected value of playing this game.
Students are the University of New Harmony received 10, 000 course grades last semester. The table below breaks down these grades by which school of the university taught the course.
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