The number of sick days an employee takes in one year is uniformly distributed on the values 0, 1, 2, …,10 and is independent from one year to the next. In a five-year period, what is the probability that an employee takes more than 5 sick days in at most one of the years?
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The number of sick days an employee takes in one year is uniformly distributed on the values 0,
1, 2, …,10 and is independent from one year to the next. In a five-year period, what is the
probability that an employee takes more than 5 sick days in at most one of the years?
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- Dr. Ahmed wants to study the relationship between blood pressure and heartbeat irregularities in his patients from the past weeks. He tests a random sample of his patients and notes their blood pressures (high, low, or normal) and their heartbeats (regular or irregular). He finds that: ) 61% have high blood pressure. (i) 14% have low blood pressure. (ii) 24% have an irregular heartbeat. (iv) Of those with an irregular heartbeat, one-third have high blood pressure. (v) Of those with normal blood pressure. one-fifth have an irregular heartbeat. a. What is the percentage of the patients selected have a regular heartbeat and low blood pressure? b. What is the percentage of the patients selected have an irregular heartbeat and normal blood pressure?The Bureau of Labor Statistics provides the following data about U.S. workers ages 16 and older who were paid hourly rates in 2021. The table shows, overall and separately for men and women, the number of workers (in thousands, so that the upper left value of 76,125 represents over 76 million individuals) who were paid hourly that year and the number who earned the federal minimum wage or less. Characteristic Total, 16 years and older Men, 16 years and older Women, 16 years and older Number of workers (in thousands) Total paid hourly rates 76,125 38,089 38,036 At or below minimum wage 1,091 398 693 Express the value "693 thousands" in the table (lower right cell) as a sentence in context. There are 693 women 16 years and older who earned the federal minimu, wage or less. Fill in the blanks with the appropriate supporting evidence computed from the data table. Give all numerical answers as a number between 0 and 1, rounded to 3 decimal places (for ex., 0.111, no text). A U.S. worker…In crossing of 30 white dams with brown sires, it is expected that half of the calves will be white and the rest will be brown. But the experiment showed that out of 30 calves, 20 were brown and 10 white. Can it be believed that there will be in general s that 50 per cent brown calves? Show the relationship between the 30 calves and 10 calves with the help of prefixed lavel of tuberculosis in slum area? ASP
- Compute the three week and four week moving averages for the time series? 240,350,230,260,280,320,220,310,240,310,240,310,240,230Suppose population 1 consists of all students who picked up all the tests they completed prior to taking the final exam. Suppose population 2 consists of all students who had one or more tests that they completed that were not picked up prior to taking the final exam. Based on years of grading final exams and observing grades, STAT 210 instructors conjecture that the mean final exam grade for all students who picked up all their tests is greater than the mean final exam grade for all students who had one or more tests that were not picked up. A simple random sample of 56 students who picked up all tests they completed was selected, and the mean score on final exam for this sample of students was 83 with a standard deviation of 10.4. An independent simple random sample of 51 students who had one or more tests that were not picked up was selected, and the mean score on the final exam for this sample of students was 67 with a standard deviation of 24.2. Both distributions are skewed…Find the number of ways in which one A, three B’s, two C’s, and one F can be distributed among seven stu-dents taking a course in statistics.
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