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Find the value of range of frequency distribution Age.
in years : 14,15,16,17,18,19,20
No.of.students: 1,2,2,2,6,4
However, the mean ounces of ?ll μ may change from day to day, because of change of operator or adjustments in the machine. If n = 55 observations on ounces of ?ll are taken on a given day, ?nd the probability that the sample mean will be within 0...
1. Explain how modeling is used in decision analysis. What is meant by the term "requisite decision model"? 2. What role do subjective judgments play in decision analysis?
according to the national postsecondary student aid study conducted by the u.s. department of education in 2008 62 of
suppose a garage has 2 gates one with poisson distribution of 3 carshour and the other gate 4 carshour. what is the
Researchers examining the effectiveness of a short course that teaches diabetic self-care. What test should be used? Set up a null and alternative hypotheses. Provide a result of chosen test and p-value
A college student is taking 5 courses in a semester. He is willing to assume that he will get an A with probability 0.10, a B with probability 0.80, and a C with probability 0.1 in each of the courses. He defines X1, X2, and X3 to be the number of..
a) Is this an upper tail, lower tail, or two-tail test? b) Are we testing means or proportions? c) State the rule of rejection (in terms of p-value and level of significance)
1. to help your restaurant marketing campaign target the right age levels you want to find out if there is a
the length of time in minutes that you have to wait in line at your bank is a random variable with a continuous uniform
a batch of 40 semiconductor chips is inspected by choosing a sample of 5 chips. assume 10 of the chips do not conform
Find a 95% confidence interval for the mean amount spent by patients at the pharmacy. Show your calculations and/or explain the process used to obtain the interval.
on august 26 2011 metro transit reported that 13 of the vikings fans travel to metrodome on the hiawatha light-rail
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