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What is the test statistic for sample of 20, mean 11.15, and standard deviation 2.37? enter the test statistic with 2 decimal places.
consider an experiment where we study the ability of snails tohold firmly onto a smooth substrate. we would like to
Determine the probability the sample of 40 will have a sales average less than $400,000.
The sample produced a mean of 535 mL with a standard deviation of 0.47 mL. Assume that the distribution of the amount of lotion is approximately normal.
if we roll a pair of fair 6 sided die let y denote the difference between the two outcomes on the two different dice.
Define the terms parameter and statistic. Be sure that the concepts of population and sample are included in your definitions.
Find an ACT percentile. Reports on a student's ACT or SAT usually give the percentile as well as the actual score. The percentile is just the cumulative
bob sells thingamabobs. his yearly salary is 27000 plus a commission of 10 of his sales. his yearly sales are normally
A bin contains three components from supplier A, four from supplier B, and five from supplier C. If four of the components are randomly selected for testing, what is the probability that each supplier would have at least one component tested?
The number of defective circuit boards coming off a soldering machine follows a Poisson distribution. During a specific eight-hour day, one defective circuit board was found. Find the probability that it was produced during the first hour of operat..
From the e-Activity, analyze one company's financial position and determine whether or not the stock potential will rise, remain stable, or decrease in value. Determine whether you would invest in it or not at this time. Provide a rationale for yo..
If he gets three, four, or all five correct, he's paid $10, $20, and $50, respectively. Estimate the amount such a bettor might expect to lose over many weeks of gambling.
let x the number of flaws on the surface of a randomly selected boiler of a certain type have a poisson distribution
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