Question

2. Suppose that for an experimental device setup we have to choose settings for three parameters....

2. Suppose that for an experimental device setup we have to choose settings for three parameters. There are 4, 3 and 5 settings for parameters 1, 2 and 3 respectively. The order in which the settings will be chosen is not does not matter. How may configurations does the device allow? A random sample of 8 configurations is selected. What is the probability that among the configurations in the sample all three settings for parameter 2 are used.

Homework Answers

Answer #1

Answer:

Utilizing Theorem of tallying we realize that, since there are 4 settings for boundary 1,3 settings for boundary 2 and 5 settings for boundary 3, along these lines all out setups that the gadget permits is = (4 * 3 * 5)

= 60 .

Presently for the other piece of the inquiry we can consider the settings for boundary 1 and 3 are one substance and that for boundary 2 is another element.

In this manner, out of 8 examples of designs ,3 settings that for boundary 2 can be chosen in 8C3 manners the likelihood of a similar occasion happening is

= (3/12)^3 * (9/12)^5

= 0.0037

3/12 is likelihood of occasion of settings for boundary 2 being utilized and 9/12 is likelihood of occasion of settings for boundary 1 and 3 being used.

In this manner, the likelihood that among the arrangements in the example every one of the three settings for boundary 2 are used

= 8C3 * (3/12)^3 * (9/12)^5

= 0.2076

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