Probability A game show contestant must randomly select a door. One door will do

Question

Probability A game show contestant must randomly select a door. One door will double your money while the other three doors will have no winnings. What is the probability that she selects the door that doubles the money? 5 Points each 4) A computer is used to randomly select a number from 1 to 2000. What is the probability of randomly selecting the number 253? 5) 6) A 12 sided die is thrown. What is the probability of rolling a number greater 4? What is the probability of selecting an Ace from a deck of 52 playing cards? (there are four types of card in a deck: clubs, diamond, heart and spade). 7) 8) Five of the 100 digital video recorders (DVR) in an inventory are known to be defective. What is the probability of randomly selecting a DVR that is NOT defective? f 4 different calculators is randomly selected from a box of 69 calculators. Within the no defects. What is the probability that all four of box of calculators 40 are defective and 29 have the calculators selected are defective? Round to four decimal places

Explanation / Answer

Solution:-

4) The probability that she selects the door that doubles the money is 0.25.

Total number of gates = 4

Number of gates that double the money = 1

The probability that she selects the door that doubles the money = 1/4 = 0.25

5) The probability of rabdomly selecting a number 253 is 0.0005.

Total numbers = 2000

The probability of rabdomly selecting a number 253 = 1/2000 = 0.0005.

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