according to webster’s new collegiate dictionary, a divining rod is "a forked rod believed to indicate [divine] the presence of water or minerals by dipping downward when held over a vein." to test the claims of a divining rod expert, skeptics bury four cans in the ground, two empty and two filled with water. the expert is led to the four cans and told that two contain water. he uses the divining rod to test each of the four cans and decide which two contain water.

Answers

Answer 1

a) The sample space is (W1, E1), (W1,E2), (W1,W2), (W2, E1), (W2, E2), (E1, E2)

b) the probability will be 1/6.

a)  Considering W= water and E= empty ,

the sample space for the above event will be having 6 possible outcomes such as (W1, E1), (W1, E2), (W1, W2),(W2, E1), (W2, E2), (E1,E2), until the order doesn't matter  (E1, W1) is not different from (W1,E1).

b)  As we know the formula for calculating the probability of an event is

         the total possible outcomes / total number of outcomes.

From the sample space,  the probability of the expert will correctly identify both of  the cans containing water is : 1/6

until the order doesn't matter in this event.

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According to Webster’s New Collegiate Dictionary, a divining rod is “a forked rod believed to indicate [divine] the presence of water or minerals by dipping downward when held over a vein.” To test the claims of a divining rod expert, skeptics bury four cans in the ground, two empty and two filled with water. The expert is led to the four cans and told that two contain water. He uses the divining rod to test each of the four cans and decide which two contain water.

a) List the sample space

b) If the divining rod is completely useless for locating water, what is the probability that the expert will correctly identify (by guessing) both of the cans containing water?


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Answer:

Choosing the word that best fills in the blank:

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The reader infers from the passage about the excitement and interest of the narrator in learning new verses from Patricia.

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