Mathematics, 10.01.2020 00:31 desikayla2013
Membership in mensa requires an iq score above 131.5. nine candidates take iq tests, and their summary results indicate that their mean iq score is 133. iq scores are normally distributed with a mean of 100 and a standard deviation of 15. if one person is randomly selected from the general population, find the probability of getting someone with an iq score of at least 133.
a)0.9861
b)0.8810
c)0.1190
d)0.0139
Answers: 1
Mathematics, 21.06.2019 15:30
Angel entered a triathlon (a three-part race). he swam 1 mile, rode his bike 30 miles, and ran 10 miles. how far did he go altogether? a. 11 miles b. 123 miles c. 41 miles d. 40 miles
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Mathematics, 21.06.2019 18:20
17. a researcher measures three variables, x, y, and z for each individual in a sample of n = 20. the pearson correlations for this sample are rxy = 0.6, rxz = 0.4, and ryz = 0.7. a. find the partial correlation between x and y, holding z constant. b. find the partial correlation between x and z, holding y constant. (hint: simply switch the labels for the variables y and z to correspond with the labels in the equation.) gravetter, frederick j. statistics for the behavioral sciences (p. 526). cengage learning. kindle edition.
Answers: 2
Mathematics, 21.06.2019 19:30
Ascientist wants to use a model to present the results of his detailed scientific investigation. why would a model be useful? a )because the model makes the concepts easier to understand b) because the model is easy to put together and to use c) because the model prevents other scientists from asking questions d) because the model requires the audience to pay full attention to it i don't know what to choose because between a and d a is much more likely than d because it only wants to get the attention of the audience. i'm confuse.
Answers: 1
Membership in mensa requires an iq score above 131.5. nine candidates take iq tests, and their summa...
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