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To find 95% confidence interval for given data.
Time the length of 10 commercials on your favorite TV channel. Use these commercial lengths to establish a 95% confidence interval for the mean length of commercials on your favorite channel. In this forum post give your results and explain what they mean in context of your favorite channel.
Here are the lengths of the commercials to be used:
3031.53231.33031.732293031.6
Given that P (A) = 0.7, P (B) = 0.5, and P (A B) = 0.8. Find the following probabilities:
Suppose Abraham Lincoln had answered a survey questionnaire in which he indicated that he had not received a grade school diploma. The researcher found that Lincoln's educational score did not correlate with the expected variables. What was wrong?
What is the p-value associated with the above sample result?
Find out the forecast value utilizing three month moving average method, weighted moving average method, exponential smoothing and regression methods.
When the p-value is used for hypothesis testing, the null hypothesis is rejected if
Find the expected GPA when SAT = 800. Find E (GPA|SAT = 1,400). Comment on the difference.
Place the steps below in the correct order for the construction of a control chart.
Can we compute the mean length of stay of workers at the company differs from the mean length of stay at that dangerous industry.
200 people were surveyed and asked to rate mayor Michael Bloombergs effectiveness towards education. The rate scale is 1 (lowest) to 10 (highest). Mayor Bloomberg's average rating was 7.50, with a standard deviation of 2
Which of the following events are disjoint and What proportion of the females rated their intelligence less than 7.
Suppose that an IQ test was given to a large group of persons, the scores are assumed to be from a normally distributed population, that mean = 100 and s (standard deviation) = 15.
Elucidate the null and alternative hypothesis for the difference among the two means. In testing the difference between the means of two.
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