On average, the number of students that choose to study Arts related subjects at lowa University is 50 each year. What is the probability that exactly 42 students will study Arts in the coming year?
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- According to the Turkish Ministry of Health, the probability of a woman developing breast cancer over a lifetime period is 1/10. What is the probability that 2 women out of 10 will develop breast cancer over a lifetime?Atlanta experiences an average of one ice storm every 5 years. What is the probability that Atlanta has two ice storms in the next 3 years?1. A company decides to investigate the amount of sick leave taken by its employees. A sample of eight employees yields the following number of sick days taken in the past year. 0 0 4 0 0 0 6 0 a. Find and interpret the range b. Find and interpret the standard deviation, s. c. Suppose the 6 was incorrectly recorded and is supposed to be 60. Redo parts a and b with the correct data and describe the effect of this outlier. 2. For an exam given to a class, the students' scores ranged from 35 to 98, with a mean of 74. Which of the following is the most realistic value for the standard deviation: -10, 0, 3, 12, 63. Clearly explain what's unrealistic about each of the other values.
- The Dallas Mavericks play the Oklahoma City Thunder in a best of 7 game NBA playoff series. If the probability that the Mavs beat the Thunders is 40% for each game, what is the probability that Dallas wins the series(first to win four games) in at most 7 games?If the probability that an individual with a Bachelor Degree in Underwater Basket-weaving will be hired in their first 6 months out of college is 3%, what is the probability that an individual with a Bachelor Degree in Underwater Basket-weaving will not get hired in the first 6 months out of college?The average number of emergency calls that an ambulance service gets per day is 5. What is the probability that on any given day, it will receive more than four emergency calls?
- A common lab test during a medical exam is a blood count. The two main aspects are counting the number of white blood cells and differentiating white blood cells into several categories. One of the categories is neutrophils. Suppose 60% of white blood cells are neutrophils in a healthy person. What is the probability of seeing 2 neutrophils in a sample of three white blood cells from a healthy person? What is the probability of seeing 2 or fewer?The average number of tesla cars that you can see on your drive to work is 25. What is the probability that you would see exactly 30 tesla cars tomorrowThe (hypothetical) table below shows the relationship between the number of hours students work at part-time jobs each week and the number of years it takes then to graduate with an undergraduate degree. If a student works more than 5 hours per week, what is the probability that the student graduates in over 6 years?
- According to the Turkish Ministry of Health, the probability of a woman developing breast cancer over a lifetime period is 1/5. What is the probability that 3 women out of 15 will develop breast cancer over a lifetime?On the first day of music class, students submitted a survey. One survey question asked students to report which music genre they prefer. Another question asked students how frequently they sing in the shower. The probability that a student prefers metal is 0.7, the probability that a student sings in the shower 1-2 times a week is 0.4 and the probability that a student prefers metal and sings in the shower 1-2 times a week is 0.3. What is the probability that a randomly chosen student prefers metal or sings in the shower 1-2 times a week?If two people are chosen with replacement from the data, what is the probability that both are wearing athletic shoes and the second is a woman wearing dress shoes?