Mathematics, 02.04.2021 06:30, jetblackcap
In a random sample of 100 earthquakes, the mean of the magnitudes of the earthquakes was 2.93 with a standard deviation of 0.26. Construct a 90% confidence interval estimate of the mean magnitude of the population of all earthquakes. (round to two decimal places)
Answers: 3
Mathematics, 22.06.2019 04:40, rubydelgado
2.12 school absences. data collected at elementary schools in dekalb county, ga suggest that each year roughly 25% of students miss exactly one day of school, 15% miss 2 days, and 28% miss 3 or more days due to sickness.61 (a) what is the probability that a student chosen at random doesn’t miss any days of school due to sickness this year? (b) what is the probability that a student chosen at random misses no more than one day? (c) what is the probability that a student chosen at random misses at least one day? (d) if a parent has two kids at a dekalb county elementary school, what is the probability that neither kid will miss any school? note any assumption you must make to answer this question. (e) if a parent has two kids at a dekalb county elementary school, what is the probability that both kids will miss some school, i. e. at least one day? note any assumption you make.
Answers: 2
Mathematics, 22.06.2019 04:50, GreenHerbz206
What number produces an irrational number when multiplied by 1/4
Answers: 3
Mathematics, 22.06.2019 05:00, lovemusic4
Hdtv screens usually have a width-to -height ratio of 16: 9. which screen dimensions are in the same proportion?
Answers: 3
In a random sample of 100 earthquakes, the mean of the magnitudes of the earthquakes was 2.93 with a...
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