# Posts by ryee

Total # Posts: 6

**probability**

a bag of 100 marbles contains 30 blue, 25 green, 25 mixed,and 20 clear. what is the probality of selecting a blue? ablue and green? a marble that is not clear? ablue on the first draw and a clearon the second draw? a

*April 26, 2011*

**probability**

a bag of 100 marbles contains 0 blue, 25 green, 25 mixed,and 20 clear. what is the probality of selecting a blue? ablue and green? a marble that is not clear? ablue on the first draw and a clearon the second draw? a

*April 25, 2011*

**statistics**

calculate both the pearson and spearman correlation coefficient for the data below. state whether ther are significant? writ a brief statement to explain the results generated by each correlation. self-esteem 10.00, 9.00,8.00,7.00,7.00,6.00,6.00,6.00,4.0,4.00. grades 83.00,97....

*April 24, 2011*

**statistics**

the birth of healthy, full term infants in the United States is nearly normally distributed. The mean weight is 3,500 grams, and the standard deeviation is 500 grams. (a) what percentage of the healthy newborns will weigh more than 3,250 grams? (b) what weightswould 95% of all...

*April 24, 2011*

**statistics**

given a sample size of 30, and one sample t=-2.5, what would conclude about the sample from which the mean was drawn?

*April 24, 2011*

**statistics**

assuming a two tailed one sample test is being used,what ie the critical value for t given the following sample sizes. N=10 N=15 N=30

*April 24, 2011*

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