The average age of a preschool class is 4.5 years old. If there is one 3-year-old, five 5-year-olds, and two other children both of the same age, what is the age, in years, of the other two children?

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: Would you rather have $10,000,000 and a brand new BMW, or 1¢ today, 2¢ tomorrow, 4¢ on day 3, 8¢ on…

A: Option 1 is $10,000,000 and a brand new BMW   Option 2 is 1¢ on day 1, 2¢ on day 2, 4¢ on day 3, 8¢…

Q: One common system for computing a grade point average​ (GPA) assigns 4 points to an​ A, 3 points to…

A: The information is provided as:

Q: If a chicken and one half lays an egg and one half in a day and one half, how may eggs will 30…

A: According to the provided information, 1.5 chicken lays 1.5 egg in 1.5 days.That is, 1.5 eggs = 1.5…

Q: A car insurance company claims that 92% of its customers are happy with their service. You randomly…

A: Given,   The sample proportion is,

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: If you receive, on the average, 5 email messages per day, in how many days out of a 365-day year…

A: Poisson density function is given by :  Pn=μnn!·e-μ                              (1) The average is…

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: If 5 out of 7 students at a college are full-time students, what is the enrollment at the college if…

A:

Q: The average age of a group of students is 12 years old. There are only 11-year- olds and 14-year…

A:

Q: The starting salaries of first year lawyers are

A: here use definition of level of measurement Nominal : in this measurement data are just measure as…

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: One common system for computing a grade point average​ (GPA) assigns 4 points to an​ A, 3 points to…

A: Given , assigns 4 points to an​ A, 3 points to a​ B, 2 points to a​ C, 1 point to a​ D, and 0 points…

Q: One common system for computing a grade point average​ (GPA) assigns 4 points to an​ A, 3 points to…

A:

Q: In a survey of 50 music lovers, 18 enjoyed classical music, 29 enjoyed popular music, and 14 enjoyed…

A: see below the answer and calculation

Q: A random study reported that 70% of very-low-birth-weight bables graduate from high school by age…

A: we have to find out expected value..

Q: Lets suppose that for the month of December, company A's stock decreased from $42 to $37 per share…

A: Step1:There are two types of shares, company A's shares and company B's share.Let us consider number…

Q: One common system for computing a grade point average​ (GPA) assigns 4 points to an​ A, 3 points to…

A: This is weighted mean problem. The following information in table form is shown on board:

Q: One common system for computing a grade point average​ (GPA) assigns 4 points to an​ A, 3 points to…

A:

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

A: If a truck goes by the next vehicle will be a car with probability 4/5 and will be a truck with…

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

A:

Q: How many months, weeks, and days are there between May 4, 2014 and August 23, 2014?

A: given the date from May 4 2014 and August 23 2014 we need to calculate the number of months , weeks…

Q: One common system for computing a grade point average​ (GPA) assigns 4 points to an​ A, 3 points to…

A: Given,  Grade    Points   A            4  B             3  C             2  D             1  F…

Q: In a birthday party, 2/3 of the children were 8 years old, 2/3 of the remaining are 9 years old, and…

A:

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

A: 1st we have to make a differential equation for number of students get  contracted and the have to…

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: If a boy saved 25 on the 1st day, 27 on the 2nd day, 29 on the third day, and so on, how many days…

A: It is given that saving on the first day 25 on second day 27 and on the third day 29. it means…

Q: At the beginning of 2002, an ice cream shop claimed to have "nearly 1,050 different ice cream…

A:

Q: 1 2 3 4

A:

Q: In a certain year, Babe Ruth from the New York Yankees had 18 hits in April, 33 in May, 38 in June,…

A: This is a problem related to statistic , so I used the average formula of baseball to calculate the…

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

A:

Q: One common system for computing a grade point average​ (GPA) assigns 4 points to an​ A, 3 points to…

A: Note: Hi there! Thank you for posting the question. Seems like your question has repeated numbers in…

Q: If 120 more people showed up to Shakespeare in the Park than are here now, there would be 9 times as…

A:

Q: A survey of 2500 subscribers to a certain news paper revealed that 2250 people subscribe to the…

A: Given a survey of 2500 subscribers to a certain news paper revealed that 2250 people subscribe to…

Q: At a liberal arts school, a survey of 100 students indicates that 68 enjoy their English class while…

A: Let,Number of students who enjoys English subject = n(E)Number of students who enjoys Mathematics…

Q: The World Health Organization is conducting a study of environmentally related diseases. In how many…

A:

Q: How many different license plates are possible if 2 uppercase letters are followed by 4 digits and…

A: A number plate consist of 2 uppercase letters followed by 4 digits, in which first digit cannot be…

Q: A company conducted a marketing survey of its clientele and found that 215 own an iPhone and 106 own…

A: It is given that 215 of the clients own an iPhone and 106 own an iPad. If 19 clients own both an…

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: One common system for computing a grade point average (GPA) assigns 4 points to an A, 3 points to a…

A: That means we have to find mean grade point score of student. Given, System for computing GPA…

Q: A company conducted a marketing survey of college students and found that 191 own a bicycle and 74…

A:

Q: In a group of 10 workers, the wage of the lowest paid worker is Dollar 25 less than the average wage…

A: From the given information, There is a group of 10 workers. That is, n=10 The wage of the lowest…

Q: A group of people come forward to claim a $1,000,000 lottery jackpot, which the winners are to share…

A: Given : A group of people comes forward to calin a $1,000,000 lottery jackpot which the winners are…

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: There are 150 flights expected to take off or land within one day at the planned Pickering airport.…

A: Total Flights = 150 Given that 92% of the flights are expected to be on time which means that 8% of…

Q: How many ways can 6 joggers line up single-file to get a drink from a water fountain?

A: Factorial Rule: The total number of ways n different objects can be arranged where order of the…

Q: In how many ways can four children fall in line if the tallest be the last?

A: In how many ways can four children fall in line if the tallest be the last?

Polynomials

Try substituting 1. You will get 6 and not 0. Try other real values also. What About -2? Let us check.