Mathematics, 02.11.2019 08:31 PaavanPatel
Could mud wrestling be the cause of a rash contracted by washington state university students in the spring of 1992? physicians at the wsu student health center wondered this when one male and six female students complained of rashes after participating in a mud wrestling event. questionnaires were sent to all students in the residence halls that participated in the event. the questionnaire asked about the appearance of a rash and about attendance at the event. the results are summarized below:
men women
developed rash 12 12
no rash 38 12
what is the p-value for the chi-square statistic?
choose one answer.
a. between 0.05 and 0.01
b. larger than 0.10
c. between 0.10 and 0.05
d. less than 0.01
e. between 0.001 and 0.01
Answers: 1
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If x=-3 is the only x-intercept of the graph of a quadratic equation, which statement best discribes the discriminant of the equation?
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Cor d? ? me ? 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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Find the volume of the solid obtained by rotating the region enclosed by the curves y=1x and y=7^-x about the x-axis. (use symbolic notation and fractions where needed.) volume =
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Could mud wrestling be the cause of a rash contracted by washington state university students in the...
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