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You have a standard deck of cards and you take out 2 cards at random. Let Y1 represent the number of red Queens in your sample and let Y2 represent the number of spades in your sample.
a) Calculate p. it is mean p(Y1, Y2);
b) Calculate var (Y1I Y2=1)
c) Determine E (Y2I Y1=0)
Ten students in a graduate program were randomly selected. Their grade point averages (GPAs) when they entered the program were between 3.5 and 4.0.
At the .01 level of significance, is the true mean greater than 10?
A realtor took a random sample of records of sales of homes from the files maintained by the Albuquerque Board of Realtors.
Which of the given experiments can be modelled by Poisson distribution?
Compute the two groups using Paired sample t-test. Compute which modification reduced the number of traffic accidents
Determine pearsons correlation coefficient and comment on the value obtained. Obtain a regression equation representing the above data. Estimate the production batch size for a direct labour cost of R350-00.
Can we conclude a difference in means? YES or NO (circle one)
Derive the standard error of proportion, the margin error and the 95% confidence interval for the proportion indicating preference to flirting.
Describe the mean difference that is the main effect for the treatment. Describe the mean difference that is the main effect for gender. Is there an interaction between gender and treatment? Explain the answer
The average price of a car wash is $5.00. A sample of six car washes averaged $5.70 and had a sample standard deviation of $1.30. Assuming a normal population, use the critical value method to test the claim at a= 0.05.
By using standard normal table, determine critical value (or values) for= 0.14 right-tailed test.
Assume you are given data from a survey showing the IQ of each person interviewed and the IQ of his or her mother. That is all the information you have.
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