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You will find Video 6: The Normal Distribution by navigating to the MSL Tool for Success link under Course Home.
This video explains the normal distribution via the binomial distribution: The distribution of the number of heads thrown on 20 coins approximates the normal. This is used to explain that the normal distribution is the mathematical consequence of adding up a large number of random events. Some examples are given of normal distributions in the natural world (mass of ants) and social world (age of marathon runners) and explained in terms of these phenomena resulting from the aggregation of random events.
Respond to one of the following questions in your initial post:
Your initial post should be 150 to 250 words in length. Respond to at least two of your classmates' posts by Day 7 in at least one paragraph.
Standard deviation of 424 and 155 respectively. at the .05 level of significance, test the claim that the new version has standard deviation equal to that of the past version.
let et wn02. state for each of the following model whether it is stationary and whether it is invertible. explain your
At the .05 significance level, is the number of units produced on the afternoon shift larger?
Utilizing a binominal experiment, that is each trail can be reduced to two outcomes, construct a binomial distribution.
Determine if the tires were exceeding the guarantee. At the .05 significant level, it was concluded that the tires are exceeding the manufacturer's guarantee.
Let X = the time it takes a read/write head to locate a desired record on a computer disk memory device once the head has been positioned over the correct track.
Consider the EOQ model with planned shortages, as presented in Sec. 19.3. Suppose, however, that the constraint S/Q = 0.8 is added to the model. Derive the expression for the optimal value of Q.
Find the P value or an interval containing the P value for the sample test statistic.
Assuming an approximately normal distribution of commuting times for those who work at the plant, construct and interpret the 90% and 95% confidence intervals for the mean.
find the 95 confidence interval for the difference between two means based on this information about two samples.
Calculate the test statistic. Determine the p-value of the test-statistic.
salt-free diets are often prescribed to people with high blood pressure. the following data values were obtained from
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