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Women have a mean height of 63.6 inches with a standard deviation of 2.5 inches. If the military wants to design equipment so that it fits 90% of the adult female population, what are the minimum and maximum heights it should use as a basis for its design?
What type of error has possibly been committed? Explain the error in ordinary language.
Construct a grouped frequency distribution using six classes.
At α = 0.01 level of significance, test the hypothesis that these data can be described by a Poisson pdf.
What is the probability that a cereal would either high calorie or high fiber? In other words, what is P(high calorie or high fiber)?
Carry out F test for significance of straight line regression of Y on X and interpret your results.
Assume that the mean parameter θ for the RV L is unknown. To estimate it, a random sample of n = 10 light bulbs is selected, and the lifetime of each light bulb is measured. Let X denote the number of those 10 sampled light bulbs that burn longer ..
Is it reasonable to compute that the mean of the population is actually $15,000.
Construct a 95% confidence interval estimate of their mean weight.
Illustrate what decision should be made depended on the mini-max regret criterion. Decision based on the Mini-max criterion.
Create the 90% confidence interval for mean score of all such subjects. You may suppose scores are usually distributed.
Findout the probability value for normal distribution. Illustrate the weight of football players is normally distributed with a mean of 200 pounds also a standard deviation of 25 pounds.
In the solution to this problem, what is n? p? q? Does it appear that both np and nq are larger than 5? Why is this an important consideration?
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