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Finding the probability of a pointer to land in a color among given three colors.
A spinner is used for which it is equally probable that the pointer will land on any one of six regions. Three of the regions are colored red, two are colored green, and one is colored yellow. If the pointer is spun three times, find the probability that it will land on green every time.
How many boxes must the processor sample to be 95 percent confident that the sample mean does not differ from the population mean by more than 0.2 pounds?
Test at 5% and 1% whether the molder is operating satisfactorily.
They find that these 100 people lost an average of 38 hours with a standard deviation of 9.5 hours. What is the P-value for this significance test?
A manufacturer of billiard balls is testing three additives to the basic plastic. Show the partial ANOVA table
Estimate with 95% confidence the mean reduction in time it takes for someone who has taken the sleeping pill to fall asleep.
What is sampling with replacement, and why it is used?
The average number of days absent per student per year at West Valley School is 17 days with a standard deviation of 4 days. How many standard deviations from the mean is 6 absent days?
Determine the probability that we would reject null hypothesis given that it is true?
Statistics is science of conducting studies to: Solve a system of equations.
What is a point estimate for the population mean µ?
Decide whether experiment is binomial, Poisson or neither based on info given. Each week man plays game in which he has a 21% chance of winning.
What is an appropriate sample space for this experiment?
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