In a customer service center, there are 18 complaints dropped per minute. What is theprobability that the number of complaints in the next minute will be not more than 4 andnot less than 2?
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In a customer service center, there are 18 complaints dropped per minute. What is theprobability that the number of complaints in the next minute will be not more than 4 andnot less than 2?
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- There are 400 students at Washington Middle School, and 100 of them are in sixth grade. What percent of the students are in sixth grade?A USA Today poll asked a random sample of 1012 U.S. adults what they do with the milk in the bowl after they have eaten the cereal. Suppose that 70% of U.S. adults actually drink the cereal milk. Remember to check conditions and interpret your results into a sentence.According to the results of a survey, 38% of 271 people indicated that American football is their favorite sport. Assuming that the percentage remains the same, how many more people should be surveyed to have a margin of error of 4%? Round up to the nearest whole number, if necessary. In order to have a margin of error of 4%, you need to survey more people.
- Lotus Yoga Products has 10 operators, and the company works 8 hours a day (8 am to 5 pm with an hour break), 5 days a week. Company is manufacturing yoga pants and the standard minute value for a line to finish one pant=20 minutes. Company produces 178 pairs of pants a day. Calculate the output, in-put and productivity (first two answers in minutes and third as a percentage). What is the number of days to finish the order for 2500 pants (round to whole number) = Required capacity needed in hours /actual capacity per day in hoursSuppose you are the master of the mint. If you sample 200 coins and the king has set the error tolerance at 1 ounce for individual coins, and each coin should weight 1 ounce. What is the error in the sum of the 200 coins. Round to two places.According to the results of a survey, 36% of 107 people indicated that American football is their favorite sport. Assuming that the percentage remains the same, how many more people should be surveyed to have a margin of error of 6%? Round up to the nearest whole number, if necessary. In order to have a margin of error of 6%, you need to survey more people.
- Suppose the prevalence of "dance fever" at a college is 40% among women and 10% among men. If there are half as many men as women, what is the overall prevalence of dance fever at the college? What proportion of people without dance fever at that college are women?A busy grocery store in San Antonio captures the time per item it takes to check out customers during their peak time. (The total time for the customer was divided by the number of items for that customer. If a customer took 8 minutes, or 480 seconds, to check out and purchased 24 items, the time would be 20). A sample of times is calculated for each cashier. They want to compare 2 cashiers. The following are the average time per item scanned in seconds for each cashier: Cashier 1 Cashier 2 Time per Item Scanned Time per Item Scanned 20 24 10 16 52 19 60 55 65 45 58 36 40 5 38 29 40 52 25 45 35 15 40 19 35 28 27 28 15 30 16 28 18 19 Compare the following (a through k) for these two cashiers and then help the store determine which of the two cashiers has better metrics (explain why): Cashier 1 Cashier 2 a. Means b.…One of the characteristics of the workday for cargo vehicle drivers is that if the driving period is less than 5 hours, the driver is entitled to a 24-minute rest break. If a driver has a driving period of 3 hours and 30 minutes, what percentage of the driving period does the rest period represent?
- A survey shows that 3 out of 4 of those drink coffee in a town with a population is 7900 adults how many of these adults would you expect to drink coffee?One common system of computing the grade point average (GPA) assigns 4 points to an A, 3 points to a B, 2 points to a C, 1 point to a D, and 0 points to an F. What is the GPA of a student who gets an A in a 3-credit course, a B in each of two 4-credit courses, a C in a 3-credit course, and a D in a 4-credit course? (Round to two decimal places) Group of answer choices 2.75 2.25 2.56 2.60