Mathematics, 17.10.2019 05:00 DKLDDD1720
Deanna collected data on the favorite sports of the students of two grades. the table shows the relative frequencies of rows for the data collected:
favorite sport
swimming running volleyball row totals
grade 8 0.14 0.18 0.22 0.54
grade 9 0.17 0.24 0.05 0.46
column totals 0.31 0.42 0.27 1
based on the data, which statement is most likely correct?
in grade 8, 14 students liked swimming.
in grade 9, 31% of students liked swimming.
in grade 8, 22% of students liked volleyball.
in grade 9, 5 students liked volleyball.
Answers: 1
Mathematics, 21.06.2019 19:30
Need now max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.
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If x-1 and x+3 are the factors of x3+10x2+ax+b find a and b
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Mathematics, 21.06.2019 23:00
The value of cos 30° is the same as which of the following?
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Deanna collected data on the favorite sports of the students of two grades. the table shows the rela...
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