Hey all, I am having a real problem whit a probability question that looks easy but is giving me a real pain.
The question goes, "A coustomer randomly selscts 6 doughnuts form 58 doughnuts of which 8 contain jelly. What is the probability that she selscts none of those containing jelly?
I am using the classical approach to probability to answer the question.
What I have done is to figure out the probability of her picking 1 nonjelly doughnut if she randomly selects using...

David_langstaff

Hi There,

This is part of my final assignment for the compulsory Research Methodology subject for my Master's degree. I am studying on line and basically that means teaching myself at this particular institution. I had to design a research project and explain how I would carry it out - we don't actually conduct the research.

My aim is to find out what kind of writing adults do in their daily lives after they finish formal education.

I chose a qualitative...

Silver Frog

Hi,

I have a quite large dataset, with cases represented by individuals. One individual may be represented many times, but with different data each time. I'm now trying to aggregate this data, so that each individual is only one case. For some variables, I can use the "sum" or the "first" function, but some variables are such that I would like to keep all of them as separate entries.

For example, individual x has five times had some kind of event,...

Hanna

Test scores on the ACT exam are normally distributed with a mean of 21.1 and a standard deviation of 4.8.

Using the 68-95-99.7 rule, find the percentage of ACT scores within 14.4 of the mean of 21.1.

kaylita

Hi i would appreciated most if anyone would be kind enough to help me with the following!

1. Is it possible in a forward LR logistic regression analysis, the explanatory variables identified as independent predictors in the final model (variables in the equation) have a p value (sig for Wald) > 0.05?

2. How do i test for interactions in a regression model?

Thank you in advance

Dimitris