3. A box contains 60 yellow marbles, 110 blue marbles and 90 green marbles. If you pick one marble out of the box every minute, how long will it be before you are assured of having picked at least a fifteen marbles of the same color?

Q: 44. A theater charges $50 per ticket for seats in Section A, $30 per ticket for seats in Section B,…

A: Consider that a theater charges $50 per ticket for seats in Section A $30 per ticket for seats in…

Q: In a cohort of 46 graduating students, there are 5 different prizes to be awarded. If no student can…

A: A Permutation is the choice of r things from a set of n things without replacement and where the…

Q: If 15 out of every 200 patients admitted to a hospital remain longer than a week, how many of the…

A: Given: Probabiltiy of a patient to remain longer than one week = 15200 Total number of admissions =…

Q: (7) How many times must a number n be divided by 6 until the result is smaller than or equal to 216?

A:

Q: (i) Determine how many rows are in the corner section of a stadium containing 3920 seats if the…

A: the total number of seats in the stadium are 3920  the first row has 10 seats,  The second row has…

Q: A person is 4 years old and his sister is half his age, so if this person is a hundred years old,…

A: Given: Age of the person = 4 years Age of the sister = 2 years (half of that of person's age)…

Q: A manufacturer knows from experience that for every 100 widgets that are produced at her factory, 3…

A: Given Information- Out of every 100 widgets produced 3 will be defective. Using Unitary method We…

Q: In how many ways can an advertising agency promote 12 items 6 at a time during a 12 - minute period…

A: Given that, n= 12 And = 6

Q: How many ways can we assign 124 students to 4 sections in such a way that Section 1 must have at…

A: Given: There are 124 students and 4 sections Section 1 must have at least 30 students, section 2…

Q: one family has comfortable children, with four daughters and two sons from a village of 1000 houses,…

A: As per given by the question, one family has comfortable children's with four daughter and two son…

Q: 1. If there are 87000 doctors for a population of 34000000, what is the number of doctors per…

A: Given that total population, N= 34000000 Total number of doctors = 87000

Q: a) How many three-digit numbers less than 700 can be made using the digits 9, 7, 4, and 2? (Each…

A:

Q: 3. My parents just started their digital music collection. If they have put cd's by 4 different…

A: 3) Given, Parents have put cd's by 4 different groups on their mp3 player. We have to find how many…

Q: In volleyball, players on the same team rotate through all positions so no particular player is…

A: The total number of players are 12. The team formed should be of 6 players. Therefore, 6 players can…

Q: A drawer contains 20 pens, of which 4 are green, 7 are orange, and 9 are black. At the least, how…

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Q: If the first chapter of a certain book is 30 pages long and makes up 10% of the book, how many pages…

A: Given that, the first chapter of a certain book is 30 pages long and makes up 10% of the book.

Q: 3. The 2410 women undergraduates at the college comprise 54% of all undergraduates. How many…

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Q: Four out of every five trucks on the highway are followed by a car, while only one out of every four…

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Q: If 30.1 out of every 100 pregnant women in Indiana deliver their babies by C-section, how many…

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Q: Suppose that there are 8000 students in a college and 400 students had contracted the flu at the…

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Q: If eggs are identified as small when they fall into the lowest 8% of weight, what is the highest…

A: Let X denote the weight of chicken eggs. Given that X follows N(mean = 65, SD = 3.5) then Z = (X -…

Q: A 7 digit phone number consists of numbers 0 - 9. How many different combinations can be made if the…

A: Given ,number digits from 0 to 9=10

Q: 2. In a basketball league consisting of 10 teams, each team plays each of the other teams exactly…

A:

Q: 5. An oral communication textbook contains three pages of review at the end of each of its 16…

A: Given, Number of chapters = 16 Number of pages devoted after each chapter= 3

Q: A traveling agent has to visit four cities, each of them five times. In how many different ways can…

A: There are 205! 5! 5! 5!ways to visit 4 cities, each of them 5 times.

Q: In a cohort of 25 graduating students, there are 3 different prizes to be awarded. If no student can…

A:

Q: 1 2 3 4

A:

Q: 1. The population of the College of Business Administration has increased from 1, 260 to 1,440…

A: The population is increased from 1260 to 1440. Previous faculty number is 35.

Q: How many children are there in a family wherein each girl has as many brothers as sisters, but each…

A: Let assume Number of sister = x Number of brother = y

Q: A sock drawer contains 3 black socks, 4 blue socks, and 7 brown socks. If you pick socks from the…

A: Since you have posted a multiple question ,I will solve the first question  for you. To get…

Q: A large pile of coins consists of pennies, nickels, dimes, and quarters (at least 20 of each). How…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer one question at a…

Q: The average age of a preschool class is 4.5 years old. If there is one 3-year-old, five 5-year-olds,…

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Q: Suppose thirty-six (36) students signed up for classes during an orientation session. If exactly…

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Q: The average age of the students in Class A is more than 11 years old. If ten out of the eleven…

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Q: In the game of football, a team can score either a touchdown for six points or field goal for three…

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Q: In a league of nine football teams, each team plays every other team in the league exactly once. How…

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Q: A company buys 9 computers, and it plans to connect each pair of computers by a cable (one cable per…

A: Given that there are total 9 computers. They will connect each pair of computers. That means we have…

Q: 1. In a volleyball tournament, six teams take part and each team has to play every other team…

A:

Q: A student needs 11 more classes to graduate. If she has met the prerequisites for all the classes,…

A:

Q: A phone number in the United States consists of 10 digits, 3 for a area code and 7 for the phone…

A: Given Data: The number of digits whole phone number consists of: 10 digits The number of digits the…

Q: If 1% of a shipment of 2000 light bulbs is defective, how many bulbs in the shipment are NOT…

A: Given, 1%  of a shipment of 2000 light bulbs is defective i.e, number of defective bulbs = 2000 *…

Q: 2. In a basketball league consisting of 10 teams, each team play each of the other teams exactly…

A: Given information: Total teams=10 Each team of the other teams exactly three times.

Q: In a certain company 80 of the employees are men. What is the total number of employees if 5 out of…

A: given In a certain company 80 of the employees are men. To Determine the total number of employees…

Q: How many ways can A, B, C, D, and E stand in a line if C and D must stand next to each other?

A: C and D will stand next to each other. So we can assume CD as one element C and D can arrange in 2…

Q: A student needs eight more classes to graduate. If she has met the prerequisites for all the…

A: Given ,A student needs 8 more classes to graduate.

Q: A drawer contains 20 pens, of which 4 are red, 7 are black, and 9 are blue. At the least, how many…

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Q: Russell has a collection of 1,200 pennies. Of these pennies, 25% are dated before 1980, 35% are…

A: We want to find number of pennies dated after 2000.

Q: A witness to a hit-and-run accident tells the police that the license plate of the car in the…

A: The first letter has only one(A) chance, the second letter has 26 ways, the third letter has 26…

Q: 3. My parents just started their digital music collection. If they have put cd's by 4 different…

A: Given: Parents have put cd's by 4 different groups on their mp3 player. Here, we have to find how…

Q: A farmer knows that of every 50 eggs his chickens lay, only 45 will be marketable. If his chickens…

A: we have been given the information that  out of 50 eggs, only 45 are marketable