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At the drole company managers are always interested in sizes of pinapples. the weights of pineapples grown in drole fields were approximately normal distributed with a standard deviation of 2.5 ounces
Suppose a single pineapple is selected at random from last years crop. What is the approximate probability that it weighs more than 35 ounces show work (hand or calculator)
A behavioral research situation that could use a Pearson coefficient research study and a chi square research study. Present the rationale for each selection. Be very specific in your presentation.
Construct a binomial distribution chart and table showing all of the outcomes if a woman would like to know all possible outcomes of having 3 children. Also show this using a probability tree diagram.
Let x be N(µ,σ2 ) and consider the transformation x=log(y) or equivalently y=exp(x). Find the mean and the variance of y by first determining E(exp(x)) and E[(exp(x)^2 ], by using the moment generating function of x.
Create an research question, and then state the experimental and null hypotheses. Then, explain why null and alternative hypotheses have to be mutually exclusive. Finally, discuss how Type I and Type II errors are related to your hypotheses.
Find the probability density function of U + V. Let P = 2U + 3V and Q = 2U - 3V. Given that the variances of U and V are 1/4 and 1/9 respectively, show that P and Q are uncorrelated.
Conduct post hoc comparisons with the LSD method. Which groups differ significantly at α = 0.05?
What is the optimal strategy for producing 500 tons of newsprint pulp, 600 tons of packaging pulp, and 300 tons of print stock quality pulp at minimum cost?
Use Chebyshev's theorem to find what percent of the values will fall between 201 and 345 for a data set with a mean of 273 and standard deviation of 18.
What are the probabilities of accepting lots that are 10 percent, 20 percent, and 30 percent defective? Estimate the probability of accepting a lot that is 15 percent defective.
Soft Drinks a vending machine automatically pours soft drinks into cups. As the amount of soft drink dispensed into a cup is normally distributed
Length of smoking time was recorded for each. Mean was =140 hours. Suppose = 8 hours. Determine 95% confidence interval for mean amount of time grocery-store ham is smoked.
The following table lists the annual amounts of glass cullet produced by Kimble Glass Works, Inc. Determine the least squares trend equation. Estimate the amount of scrap for the year 2005
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