Mathematics, 11.10.2019 05:30 cassiegagnier73
Merta reports that 74% of its trains are on time. a check of 60 randomly selected trains shows that 38 of them arrived on time. find the probability that among the 60 trains, 38 or fewer arrive on time. based on the result, does it seem plausible that the "on-time" rate of 74% could be correct?
Answers: 3
Mathematics, 21.06.2019 14:00
Design a number line containing five (5) points2.benin, one of the smallest countries in africa, has a total area of 43,475 square miles. the population of the country was recently estimated at 10,160,555. about 3,657,790 people live in rural areas. the country has only about 870 miles of surfaced roads. a. round off the total population to the nearest hundred thousand people. b. round off benin’s area in square miles to the nearest thousand. c. round off the number of miles of surfaced roads to the nearest ten. d. round off the number of people who live in rural areas to the nearest million.
Answers: 3
Mathematics, 21.06.2019 17:00
Sole with work in 10 years, the average number of hours of tv watched per week by teenagers dropped from 23.9 to 21.4. find the percent of change.
Answers: 1
Mathematics, 21.06.2019 17:30
Astudent survey asked: "how tall are you (in inches)? " here's the data: 67, 72, 73, 60, 65, 86, 72, 69, 74 give the five number summary. a. median: 73, mean: 70.89, iqr: 5, min: 60, max: 74 b. 60, 66, 72, 73.5, 86 c. 60, 67, 72, 73, 74 d. 0, 60, 70, 89, 74, 100
Answers: 3
Merta reports that 74% of its trains are on time. a check of 60 randomly selected trains shows that...
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