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The wiehgt of a corn chips dispensed into 16-ounce bag b6 dispending machine has been identified as possessing a normal distrution with a mena of 16.5 ounces and a standred deviation of 0.02. suppose 400 bags of chips are randomly selected. Find the probability that the mean wieght of these 400 bags exceeds 16.6 ounces.
For an independent-measures ANOVA comparing three treatments with a sample of n = 5 in each treatment, what is the critical value for the F-ratio using a = .05?
Find the value of k that makes f(x; y) a valid probability distribution.
Two independent samples of sizes 16 and 26 were taken. In a test of equality of population means of the two samples, how many degrees of freedom are associated with the critical t-value?
It has been evaluated that 30% of all farms are family-owned. In sample of 12 farms, determine the probability that exactly 3 farms are family owned?
How to calculate expected difference between the samples means, and how does larger variability affect the size of the standard error for the sample mean difference?
What kind of probability uses sample spaces to find out numerical probability that event will happen?
The following data represent the cost of electricity for the period of July 2008 for a random sample of 50 one-bedroom apartments in a large city.
They both want to know what family member typically does the research about possible honeymoon destinations, and who primarily makes the decision on selecting the destination.
In business, investors are always interested in the tradeoff between returns and risk. Regression analysis is a statistical technique that can be used to quantify this risk.
Now assume that failed items are not replaced during the test. UsingHandbook H--108, determine the plan assuming the time to failure is exponential.
Construct the 90% confidence interval for the true population proportion of all voters in the state who favor approval.
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?
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