1. A magician holds a standard deck of cards and draws one card. The probability

Question

1. A magician holds a standard deck of cards and draws one card. The probability of drawing the ace of diamonds is 1/52. What method of assigning probabilities was used?

2. An experiment consists of four outcomes with P(E1) = .2, P(E2) = .3, and P(E3) = .4. The probability of outcome E4 is _____.

3. The probability of at least one head in two flips of a coin is _____.

4. Any process that generates well-defined outcomes is _____.

Of the last 100 customers entering a computer shop, 25 have purchased a computer. If the relative frequency method for computing probability is used, the probability that the next customer will purchase a computer is _____.

a. classical method b. objective method c. experimental method d. subjective method

2. An experiment consists of four outcomes with P(E1) = .2, P(E2) = .3, and P(E3) = .4. The probability of outcome E4 is _____.

a. .100 b. .500 c. .024 d. .900

3. The probability of at least one head in two flips of a coin is _____.

a. .75 b. .33 c. 1 d. .50

4. Any process that generates well-defined outcomes is _____.

a. an experiment b. an event c. a sample point d. None of these answers are correct.

Of the last 100 customers entering a computer shop, 25 have purchased a computer. If the relative frequency method for computing probability is used, the probability that the next customer will purchase a computer is _____.

a. .25 b. .50 c. 1 d. .75

Explanation / Answer

q1) a) Option A is Correct. classical method

b) P( E4) = 1-0.2-0.3-0.4 = 0.10

Option A is Correct

c) P( at least one head) = 1-0.5*0.5 = 0.75

Option A is Correct

Q4) Option A is Correct

Q5) Option A is Correct. It will be 25/100 = 0.25

a. an experiment

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