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Mathematics, 21.06.2019 19:30
Ann and betty together have $60 ann has $9 more than twice betty’s amount how much money dose each have
Answers: 1
Mathematics, 22.06.2019 01:20
1. why is a frequency distribution useful? it allows researchers to see the "shape" of the data. it tells researchers how often the mean occurs in a set of data. it can visually identify the mean. it ignores outliers. 2. the is defined by its mean and standard deviation alone. normal distribution frequency distribution median distribution marginal distribution 3. approximately % of the data in a given sample falls within three standard deviations of the mean if it is normally distributed. 95 68 34 99 4. a data set is said to be if the mean of the data is greater than the median of the data. normally distributed frequency distributed right-skewed left-skewed
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Mathematics, 22.06.2019 02:30
Grading scale 1 has the following weights- (tests- 50% quiz- 25% homework- 15% final exam- 10%). calculate your final average if your performance in the class is as follows-test grades- {88, 84, 90, 75, 70, 81); quiz grades- {88, 67, 90, 90, 45, 99, 76, 98, 100}; homework- 90; final exam- 75
Answers: 1
Mathematics, 22.06.2019 03:40
Amanufacturer knows that their items have a normally distributed lifespan, with a mean if 9.1 years, and standard deviation of 2.9 years. if you randomly purchase one item, what is the probability it will last longer than 10 years?
Answers: 3
History, 16.05.2020 03:57
Chemistry, 16.05.2020 03:57
Chemistry, 16.05.2020 03:57
Mathematics, 16.05.2020 03:57
Biology, 16.05.2020 03:57
Mathematics, 16.05.2020 03:57
Biology, 16.05.2020 03:57
History, 16.05.2020 03:57