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Assume you are a manager for the Bureau of Human Services. As a manager, you feel one of your employees named Michael has not performed up to standards on a particular task of processing case records, a crucial part of the job. At the Bureau, the number of complaints processed by employees is normally distributed, with a mean of 67 forms per employee per day, and a standard deviation of 7. You calculated that this particular employee's average rate is 50 forms per day.
Answer the following questions AND show your answer on the drawing of a normal distribution
a) What percentage of employees at the Bureau process fewer forms than Michael?b) What percentage of employees at the Bureau process more forms than Michael?c) Please example if your concern seems justified?
Determine the critical region and critical values for z that would be used to test the null hypothesis at the given level of significance, as described in each of the following:
What is the predictive value of a negative test result? In other words, what is the probability that an individual who returns a negative tests for hypertension is not hypertensive? Please give your answer to 3 decimal places.
Chicken Delight claims that 84 percent of its orders are delivered within 10 minutes of the time the order is placed. A sample of 70 orders revealed that 55 were delivered within the promised time.
A safety engineer claims that only 40% of all workers wear safety helmets when they eat lunch at the workplace. Assuming that his claim is right, find the probability that at most 4 out of 6 workers randomly chosen will be wearing their helmets wh..
a. Solve using the p value approch. b. Solve using the classical approch.
What is the probability of getting the first questions correct and miss the fourth with five possible answers to each question?
If jurors are selected randomly from an adult population, a nd the probability that all 12 jurors are white when the population is?
95% confidence interval evaluate for proportion of Americans who believe Abraham Lincoln is United States' most outstanding President is 65% to 75%. If more precise estimate is requested, then confidence level.
Professor wishes to determine whether prior statistical knowledge assists students in their performance on the final exam. What is the relationship between pretest scores and final exam scores after controlling for cumulative GPA. What SPSS test w..
Consider the experiment- "the next integer generated." Define the following: Event A = "Odd number" = (1,3,5,7) and Event B "number more than 4" = 5,6,7,8.
A movie theater owner wanted to know how many people hated commercial at the beginning of movies if less then 10% hated the commercials the he would leave them.
Base on a survey of over 10,000 households, the number of televisions in the home was recorded as given in the table below. Based on the data, find the expected number of televisions in a home.
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