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According to a recent poll 53 percent of Americans would vote for the incumbent president. If a random sample of 100 people results in 45 percent who would vote for the incumbent, test the claim that the actual percentage is 53 percent. Use a 0.10 significance level. (there are three correct choices in this question)
Think of a manufacturing company in Ethiopia to which you are familiar and discuss a) the different types of marketing channel flows in the channel system; b) the positive and negative effects of environmental factors on the distribution practices ..
A) What is the shortest time spent waiting for a heart that would still place a patient in the top 10% of waiting times? __ Days B) What is the longest time spent waiting for a heart that would still place a patient in the bottom 20% __ Days of ..
In a recent study of incomes in Allegheny county in Pennsylvania it was found that distribution of family incomes is skew to the right. what can we say about the relationship between mean and median?
b. Compute L for each patient. To do this, create a new variable where you multiply the following coefficients by their corresponding dosages and then sum up the total: (-3)d0 + (-1)d15 + (1)d30 + (3)d60 (see #7). What is the mean of L?
compute a qq plot against a normal distribution with a mean of 5 and standard deviation of 1 and test for the goodness
the projected cash flows in a project analysis were estimated with effect of inflation of 3.6 percent per period. if
If the spring is unstretched when θ = 0° and the bracket achieves its equilibrium position when θ= 32°, determine the stiffness k of the spring and the horizontal and vertical components of reaction at pin A.
Determine a 95% con?dence interval on μ, the true population mean number of sick days taken per employee. Does the evidence in the data support the hypothesis that the mean number of sick days taken by employees is less than 14.00 days?
consider a random sample of size n from a poisson distribution xi poim.a find the crlb for the variances of
Critically discuss the concept of the normal distribution, why it is important, and what you think it means. When students talk about "grading on the curve," how does that apply to the normal distribution?
A company claims that on average, when exposed to its toothpaste, 45% of all bacteria related to gingivitis is killed.
Use the sales data given below determine: a) The least square trend line.
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