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Given the contingency table shown here,find P(A or M) . Given the contingency table shown here,find P(A or M) . A) 0.2500 B) 0.7500 C) 0.6250 D) 0.1250


A) 0.2500
B) 0.7500
C) 0.6250
D) 0.1250

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The manager of Ardmore Pharmacy knows that 25 percent of the customers entering the store buy prescription drugs,65 percent buy over-the-counter drugs,and 18 percent buy both types of drugs.What is the probability that a randomly selected customer will buy at least one of these two types of drugs?


A) 0.90
B) 0.85
C) 0.72
D) 0.65

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Independent events are mutually exclusive.

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Given the contingency table shown here,find P(W ∩S) . Given the contingency table shown here,find P(W ∩S) . A) 0.12 B) 0.30 C) 0.40 D) 0.58


A) 0.12
B) 0.30
C) 0.40
D) 0.58

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A

Given the contingency table shown here,find the probability P(V´) ,that is,the probability of the complement of V. Given the contingency table shown here,find the probability P(V´) ,that is,the probability of the complement of V. A) 0.30 B) 0.50 C) 0.80 D) 0.15


A) 0.30
B) 0.50
C) 0.80
D) 0.15

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Given the contingency table shown here,find P(A1 or B2) . Given the contingency table shown here,find P(A1 or B2) . A) 0.0933 B) 0.3182 C) 0.0300 D) 0.3854


A) 0.0933
B) 0.3182
C) 0.0300
D) 0.3854

Correct Answer

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Given the contingency table shown here,what is the probability that a randomly chosen employee who is under age 25 would be absent 2 or more days? Given the contingency table shown here,what is the probability that a randomly chosen employee who is under age 25 would be absent 2 or more days? A) 0.625 B) 0.375 C) 0.150 D) 0.273


A) 0.625
B) 0.375
C) 0.150
D) 0.273

Correct Answer

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A sample space is the set of all possible outcomes in an experiment.

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True

Given the contingency table shown here,find P(V | S) . Given the contingency table shown here,find P(V | S) . A) 0.2639 B) 0.1900 C) 0.0475 D) 0.4144


A) 0.2639
B) 0.1900
C) 0.0475
D) 0.4144

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B

The following table gives a classification of the 10,000 shareholders of Oxnard Xylophone Distributors,Inc.A few numbers are missing from the table.Given that a shareholder holding 500−999 shares is picked,there is a 0.625 probability that the shareholder will be a woman.Consequently,what is the number of men holding 1000 or more shares? The following table gives a classification of the 10,000 shareholders of Oxnard Xylophone Distributors,Inc.A few numbers are missing from the table.Given that a shareholder holding 500−999 shares is picked,there is a 0.625 probability that the shareholder will be a woman.Consequently,what is the number of men holding 1000 or more shares? A) 1,000 B) 250 C) 7,500 D) 500


A) 1,000
B) 250
C) 7,500
D) 500

Correct Answer

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The sum of all the probabilities of simple events in a sample space equals one.

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Given the contingency table shown here,what is the probability that a student attends a public school in a rural area? Given the contingency table shown here,what is the probability that a student attends a public school in a rural area? A) 0.238 B) 0.714 C) 0.135 D) 0.567


A) 0.238
B) 0.714
C) 0.135
D) 0.567

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Given the contingency table shown here,find P(A2) . Given the contingency table shown here,find P(A2) . A) 0.1842 B) 0.1766 C) 0.8163 D) 0.0578


A) 0.1842
B) 0.1766
C) 0.8163
D) 0.0578

Correct Answer

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Given the contingency table shown here,find P(A2 | B3) . Given the contingency table shown here,find P(A2 | B3) . A) 0.0685 B) 0.1893 C) 0.3721 D) 0.1842


A) 0.0685
B) 0.1893
C) 0.3721
D) 0.1842

Correct Answer

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Ramjac Company wants to set up k independent file servers,each capable of running the company's intranet.Each server has average "uptime" of 98 percent.What must k be to achieve 99.999 percent probability that the intranet will be "up"?


A) 1
B) 2
C) 3
D) 4

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Given the contingency table shown here,find P(B) . Given the contingency table shown here,find P(B) . A) 0.85 B) 0.25 C) 0.45 D) 0.22


A) 0.85
B) 0.25
C) 0.45
D) 0.22

Correct Answer

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The value of 7! is 5040.

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Given the contingency table shown here,what is the probability that a mother smoked during pregnancy and had a college degree? Given the contingency table shown here,what is the probability that a mother smoked during pregnancy and had a college degree? A) 0.0111 B) 0.0428 C) 0.0803 D) 0.2385


A) 0.0111
B) 0.0428
C) 0.0803
D) 0.2385

Correct Answer

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If event A occurs,then its complement (A´)will also occur.

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The value of 4P2 is


A) 8
B) 6
C) 24
D) 12

Correct Answer

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Showing 1 - 20 of 114

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