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The amount of water put into a bottle is normally distributed with μ=16 3/4 ounces and σ= .02. What is the probability that the bottle will contain less than 16 ounces?
Construct a 95 percent confidence interval for the difference in proportions for the two populations represented by these samples.
What is the probability that the second one selected is defective given that the first one was defective? What is the probability that both are defective?
Known that 15% of walls painted with this paint need more than 55 minutes to dry completely. Find the standard deviation of this distribution.
At the .05 level, you are testing whether there is a significant difference in the proportions of college students and similar aged non college students having accidents during the two year period. What is the value of your test statistic.
A marketing survey is conducting in which students are to taste two different brands of soft drink. Their task is to currently identify the brand tasted.
2 laptops are chosen at random without replacement, what is the probability that both are high priced?
Answer the following questions involving. Find P(-1/2) if P(x) = x4 + 3x2 + 2. Simplify (x2 + y2 + 4z2 + 2xy + 4yz + 4zx) + (x2 + 4y2 + 4z2 - 4xy - 8yz + 4zx)
ssume that these distributions are distributed as normal random variables with the means and standard deviations given previously. Find the probability that the return for common stocks will be greater than 8%.
a a conservationist is interested in knowing whether polar bears in the wild have lower rates of reproduction than
A random sample of five observations from the first sample resulted in a standard deviation of (12). A random sample of seven observations from the second sample gave a standard deviation of (7) at the (.01) significance level.
Eestimated values of the dependent variable observed values of the dependent variable and the estimated values of the dependent variable None of these answers is correct.
Determine the best replacement policy over the next five years?
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