A standard piano keyboard has 88 different keys. Find the probability that a cat, jumping on 3 keys in sequence and at random (possibly with repetition), will strike the first three notes of Beethoven's Fifth Symphony. (Leave your answer as a formula.)

Q: Tarek reaches into a can that contains 30 25-fils coins, 25 10-fils coins, 40 5-fils coins and 15…

A: There are total (30+25+40+15)=110 coins.    Among them (30+15)=40 coins are 25-fils coin or a 1-fils…

Q: In a large population, 58 % of the people have been vaccinated. If 4 people are randomly selected,…

A: It is given that n = 4 and p = 0.58.

Q: A coin is loaded so that the probability of a head occurring on a single toss is 23. In four tosses…

A: here we will use Binomial distribution   A binomial distribution is simply the probability of a…

Q: A basketball player has a 0.654 probability of making a free throw. If the player shoots 13 free…

A:

Q: A pet store has 8 ​puppies, including 2 ​poodles, 4 ​terriers, and 2 retrievers. If Rebecka and​…

A: There are 8 puppies, including 2 poodles, 4 terriers, and 2 retrievers. Since Rebecka selects a…

Q: If three cards are drawn without replacement from a​ deck, find the probability that the third card…

A: Consider, Probability of first card being queen = 4/52 Probability of selecting second card 5 = 4/51…

Q: A standard piano keyboard has 88 different keys. Find the probability that a cat, jumping on 7 keys…

A: Solution

Q: A standard deck of 52 cards is divided into two equal sets (each has 26 cards) randomly. What is the…

A:

Q: After studying all night for a final exam, a bleary-eyed student randomly grabs 2 socks from a…

A: Given:Number of black socks=11Number of brown socks=10Number of blue socks=4The student randomly…

Q: A three-digit number is made by choosing three different digits from 2, 3, 5, 7 and 8. What is the…

A: Given information: A three-digit number is to be made from the numbers 2, 3, 5, 7, and 8. The…

Q: at a university with 200 students, 32 play soccer, 18 play basketball and 8 play both sports. if a…

A: Given that 32 students play soccer, 18 students play basketball There are total (32+18) = 50…

Q: A math teacher chooses   8    students at random from a class of   38  to solve a problem at the…

A:

Q: Suppose that 68% of people own dogs. If you pick two people at random, what is the probability that…

A: According to the provided information, 68% of people own dogs.

Q: According to the british Ministry of Health, the probability of a woman developing breast cancer…

A: Given: Number of women (trials) = 10 Probability of breast cancer (p) = 310= 0.3 X be the binomial…

Q: Suppose that 65% of people own dogs. If you pick two people at random, what is the probability that…

A: We will assume independence.

Q: high school with 200 students, 32 play football, 18 play basketball, 8 play both sports. If a…

A:

Q: If a number is selected at random from the first 50 natural numbers, what will be the probability…

A:

Q: ind the probability that in a randomly selected office hour, the number of student arrivals is 66.

A: A statistics professor finds that when he schedules an office hour for student help, an average of 3…

Q: errors per page, on average. What is the probability that on the next page, she will make 4 or more…

A: The mean is given as , μ=2. The formula for Poisson distribution is,PX=x=e-μμxx!. To determine the…

Q: A jar initially contains 13 red marbles and 25 blue marbles. What is the probability of drawing a…

A:

Q: In a library box, are 8 novels, 8 biographies, and 8 war history books. If Jack selects two books at…

A:

Q: Suppose that 36% of people own dogs.  If you pick two people at random, what is the probability that…

A: Given that 36% of people own dogs.  Sample size, n = 2

Q: In a game with four players, each are dealt 13 cards from a standard 52 card deck. What is the…

A: Introduction: Each of the 4 players are dealt with 13 cards, evidently randomly, from the standard…

Q: If two cards are drawn without replacement from an ordinary deck, find the probability of a queen of…

A: In a deck of 52 cards we have only one queen of spade and one 4 of heart. Thus, the probability of…

Q: 2. If seven coins are tossed simultaneously, find the probability that they will just have three…

A: Given that  Number of coins tossed (n) = 7 In a fair coin Probability of head = Probability of tails…

Q: In a five children family, find the probability that there will be at least 4 boys.

A:

Q: There are 4 jacks in a standard deck of 52 playing cards. If Patricia selects a card at random, what…

A: There are 4 jacks in a standard deck of 52 cards.

Q: Suppose that 53% of people own dogs. If you pick two people at random, what is the probability that…

A:

Q: Please ASAP, A box contains five cards with even numbers and seven cards with odd numbers. If two…

A: Number of even cards = 5 Number of odd cards = 7 Total number of cards = 5+7 = 12

Q: In a large population, 56 % of the people have been vaccinated. If 3 people are randomly selected,…

A: P(vaccinated) =p = 0.56 P(not vaccinated) = 1-0.56 = 0.44

Q: a couple plans to have five children, what is the probability that they will have at least one girl?…

A: From the given information we find the probability.

Q: a random card is drawn from a standard deck of playing cards (52 cards), what is the probability of…

A:

Q: A standard piano keyboard has 88 different keys. Find the probability that a cat, jumping on 4 keys…

A:

Q: A thief steals an ATM card and must randomly guess the correct five​-digit pin code from a 7​-key…

A: We have 5 digit pin and 7 choices per each digit of pin Because repetition is allowed, for each…

Q: When seven basketball players are about to have a​ free-throw competition, they often draw names out…

A: Given that: Number of basketball players, n=7 Required probability: All 7 of them will shoot in an…

Q: probability that a house in an urban area will develop a leak is 2%. If 21 houses are randomly…

A: The probability that a house in urban area will develop a leak is 2%, 21 houses are randomly…

Q: A standard slot machine contains three reels, and each reel contains 20 symbols. If the first reel…

A: Let us assume that S be the sample space of an experiment and E be an event associated with the…

Q: A large cube is painted red from all its sides, and then cut into 27 smaller cubes (like a rubiks…

A:

Q: closet contains 8 pair of shoes. If 4 shoes are randomly selected, what is the probability that…

A: Here use combination for ans the question

Q: A lock consists of 2 dials, where each dial has 3 letters. What is the probability of guessing the…

A: Given A lock consists of 2 dials, where each dial has 3 letters.

Q: Determine, to the nearest hundredth, the probability that Max will draw 2 non-defective chips.

A: It is given that Number of defectives = 5 Number of non-defectives = 175 - 5 = 170 Total = 175

Q: What is the probability of a correct guess on the first try?

A: here total 10 key on pad and repetation is allowed.

Q: In a high school graduating class of 100 students, 54 studied mathematics, 69 studied history, and…

A: Given data,Number of students n=100studied Mathematics is n(M)=54Studied History is n(H)=69Studied…

Q: A pet store has 10 ​puppies, including 3 ​poodles, 4 ​terriers, and 3 retrievers. If Rebecka and​…

A: We have to find given probability..

Q: If two cards are randomly drawn from a standard 52-card deck, what is the probability that both…

A: Given, Two cards are randomly drawn from a standard 52-card deck  We have to find the probability…

Q: If a committee of 3 is to be chosen at random from a class of 15 students, what is the probability…

A:

Q: If two different subjects are randomly selected without replacement, find the probability that they…

A: Probability quantifies the chances of happening an event. The probability values always lie in the…

Q: A jar contains 6 red marbles, 7 green marbles, and 7 blue marbles. What is the probability that you…

A:

Q: A jar contains 2 red marbles, 8 green marbles, and 5 blue marbles. What is the probability that you…

A: GivenA jar contains No.of red marbles = 2No.of green marbles = 8No.of blue marbles = 5Total no.of…

Q: If a number is chosen from a set of three-digit numbers, what is the probability that the number is…

A: 3 digit numbers are ranging from 100 to 999

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.