t a certain company, passwords must be from 4-6 symbols long and composed from the 26 uppercase letters of the Roman alphabet, the 10 digits 0- 9 and the 14 symbols !, @, %, .., +, {, and }. What is the probability that a password chosen at random has at least one repeated symbol?

Q: A lock consists of 3 dials, where each dial has 5 letters. What is the probability of guessing the…

A: Total number of dials in the lock is 3. Number of letters each dial have is 5.

Q: probability

A: Total number of red jelly beans = 11 Total number of black jelly beans = 5 Total number of jelly…

Q: A five digit number is formed with the digits 0,1,2,3 and 4 without repetition. Find the chance that…

A:

Q: The box contains 4 blue, 7 red, 6 green and 3 yellow highlighters. A highlighter is picked at random…

A: There are total (4+7+6+3)=20 highlighters. Among them (4+7)=11 highlighters are blue or red.

Q: A group of 90 students is to be split at random into 3 classes of equal size. All partitions are…

A: Given : Total 90 students.

Q: Suppose a jar contains 648 red marbles and 292 blue marbles.  If you reach in the jar and pull out 2…

A: A jar contains 648 red marbles and 292 blue marbles, there are totally 940 marbles. Two marbles are…

Q: 5 people are to be chosen at random from 5 men and 4 women to form a team. Find the probability that…

A:

Q: ) State the number of words that can be formed by rearranging the letters of the word PROBABILITY.…

A: Here use combination and total arrangement concept

Q: Suppose there are 6 pieces of paper labeled with numbers 2, 3, 5, 6, 10, 12.  If you randomly pick…

A: From the given information, there are 6 pieces of papers with numbers 2, 3, 5, 6, 10 and 12. And…

Q: The access code for a safe consists of three digits. Each digit can be any number from 1 through 6,…

A: We have to find given probability.

Q: The Probability and Statistics exam consists of 10 questions, each with 4 possible answers, of which…

A:

Q: The physics department of a college has 10 male professors, 6 female professors, 13 male teaching…

A: Given that, Number of male professors = 10 Number of female professors = 6 Number of male teaching…

Q: In order to conduct an experiment,  5 subjects are randomly selected from a group of 43 subjects.…

A: It is given that there are 5 subjects (s), and all the subjects are randomly selected from a group…

Q: A thief must randomly guess a correct 5 digit code from a 8 key keypad. What's the probability of…

A: It is given that a thief must randomly guess a correct 5 digit code from 8 key keypad.

Q: The organizer of a television show must select 5 people to participate in the show. The participants…

A: Given ,there are 29 people .we need to find probability of 5 youngest people .Here the 5 youngest…

Q: What is the probability that 3 face cards (king, queen, jack) can be drawn in succession from a deck…

A:

Q: In a lottery, you select 5 numbers from 1- 50, 5 numbers are drawn by the lottery, if they match all…

A: To select the arrangement for which the lottery is won we note that there are 5 places and 50…