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When we carry out a chi-square test of independence, the expected frequencies are based upon the Null hypothesis - true or false.
More than 13 successes in 19 trials with a 40 percent chance of success. (Round the answer to 4 decimal places.) Fewer than 7 successes in 15 trials with a 40 percent chance of success. (Round the answer to 4 decimal places.)
If a six appears for the second time, the process is repeated with the move depending on the number shown and the previous throws. If a six appears for the third time, the turn of the player ends without moving the token.
At 5% level of significance, is there evidence of difference in mean life of bulbs made by the 2 kinds of machines. What is your conclusion?
What fraction of the calls last between 4.2 and 5 minutes?
Now we would like to evaluate regression equation for X using Y as independent variable.
The average score of all pro golfers for a particular course has a mean of 70 and a standard deviation of 3.0. Assume 36 golfers played the course today. Find the probability that the average score of the 36 golfers exceeded 71.
This requires you evaluate the data (on the next sheet) and apply Queueing Theory to determine the characteristics of the queues. Please refer to the concept on Queuing Theory for the procedures to do.
For such groups of 800, would it be unusual to get 687 consumers who recognize the Dull Computer Company name?
The weights (in pounds) of a sample of five boxes being sent by UPS are: 12, 6, 7, 3, and 10.
Probability using Pareto chart - Evaluate the probability of randomly selecting an adult from the sample who doesn't always eat healthy foods because he or she has no time to cook or is confused about nutrition.
Draw and label distribution used and position of values found.
Re item 4, assume the critical value for this test is 4.92, and you obtain a computed statistical value of 7.45. Is there evidence to refuse null hypothesis? Describe why or why not?
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