What is the error in the sum of the 400 coins.

Q: The number of students in classes P, Q, R and S is 6:5:3:2 respectively. The total marks scored by…

A: Introduction :

Q: Last year at Townsburg High School, 28% of the graduating seniors took the ACT exam, 34% of the…

A: It is given that the proportion of the graduating seniors took the ACT exam is 0.28, the proportion…

Q: A farmer estimates that 4% of the 1,400 fruit trees on his farm will fail to produce fruit, with a…

A:

Q: If 3% of the thermometers are rejected because they have readings that are too high and another 3%…

A: Solution:From the given information, the 3% of thermometers are rejected because that is having…

Q: If a person is dealt 13 cards from an ordinary deck of 52 playing cards several times, how many…

A: Given : n = 13 p = 0.25 q = 0.75

Q: The class consist of 50 students of which 35 are boys and remaining are girls. The average marks of…

A: Given that, Total =50 No.of boys =35 No.of girls=15 Average marks .of boys =45 Average marks .of…

Q: (a) The life spans of three randomly selected tires are 35,000 miles, 36,000 miles, and 31,000…

A: The provided information is, µ=33000 miles,σ=2250 miles a. The life span of three randomly selected…

Q: One earthquake measures 3.5 on the Richter scale and another measures 2.5.  How do the two quakes…

A: Suppose A be the first place where the measure of the earthquake is 3.5 and B be the second place…

Q: According to the results of a survey,  32%  of  102  people indicated that American football is…

A: Consider the level of significance as 0.05. Computation of critical value:…

Q: If a person is dealt 13 cards from an ordinary deck of 52 playing cards several times, how many…

A:

Q: For your research project you will apply surveys to your classmates, if you know that the generation…

A: It is given that a researcher wants to apply the surveys to his classmates. He wants to generate…

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

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Q: A report from 2012 states that 45% of American adults were obese. In this report, adults were…

A:

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: According to the Humane Society, in 2015, 65% of U.S. households owned at least one pet, and 42% of…

A: Given: Number of households = 117 million. 65% of US households owned at least one pet. 42% of…

Q: If a person is dealt 13 cards from an ordinary deck of 52 playing cards several times, how many…

A:

Q: According to FBI data, 12% of burglaries.   What should we conclude if the detective clears all…

A: Introduction to binomial distribution: Consider a random experiment involving n independent trials,…

Q: vendor sells twenty-four sweatshirts for $15 each, fifty-one t-shirts for $10 each, and thirteen…

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Q: for every 12 girls at svms there are 8 boys if there 2,400 total students predict the actual number…

A: Given that for every 12 girls at svms there are 8 boys. So, girls: boys= 12:8 Given total number of…

Q: The life spans of three randomly selected tires are 34,000 miles, 36,000 miles, and 31,000 miles.…

A: Here, we are going to use z score and emphirical values to find out the values that are usual or…

Q: create 2 sample word problems of antidifferentiation with solutions

A: First problem: The rate of water out of a faucet is rt=t3, where t is the number of minutes from the…

Q: A personal trainer thinks her clients get better workouts and are stronger if they listen to music…

A: Concept: Hypothesis testing is the process of testing the claim being made about population

Q: An engineer believes that by employing robots instead of humans for certain jobs in the…

A: Given : An engineer believes that by employing robots instead of humans for certain jobs in the…

Q: Mars, a candy company, makes six different classic colors of M&M's. According to the company's…

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Q: If a person is dealt 13 cards from an ordinary deck of 52 playing cards several times, how many…

A: A random variable {\displaystyle X} follows the hypergeometric distribution if its (pmf) is given by…

Q: what is helpful to do when you have to use more than one unknow?

A:

Q: It is estimated there are 1300 bears living in a certain region. Assume that biologists​ capture,…

A:

Q: If a person is dealt 13 cards from an ordinary deck of 52 playing cards several times, how many…

A: Solution

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: Identify your hypothesis regarding the amount of time the two groups will stayed balance , do you…

A: Given information: Given data represents the values of the variables balance time, number of days…

Q: A student in a statistics class is going to select 5 of her classmates to ask a survey question. Of…

A: Given that: Total number of students = 19 Number of students live on campus = 8 Number of students…

Q: A container of beads contains: 8 red beads, 6 yellow beads, and 6 green beads. A bead will be drawn…

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Q: There are 10 questions on a discrete mathematics final exam. How many ways are there to assign…

A: Given: n = 10 (The number of questions) Each question is worth at least 5 points. 10 questions = 10…

Q: A politician running for Senate in California claims that only 34% of Californians approve of the…

A: Concept of sampling distribution of sample proportion: Let a particular characteristic of a…

Q: A report states that 45% of American adults were obese. In this report, adults were considered to be…

A: Given Data: Population=301 million=301,000,000   Percentage of adults=0.71   Percentage of adults…

Q: The Greenville Public Library just received a grant to renovate their children's reading room.…

A: I am going to solve the given problem by using some simple algebra to get the required result.

Q: A national study found that treating people appropriately for  high blood pressure reduced their…

A: The probability that among 10 true hypertensive at least 50% are being treated appropriately is…

Q: It is estimated there are 1400 bears living in a certain region. Assume that biologists​ capture,…

A: We have to find the number of bears that could be tagged.

Q: If a person is making the minimum salary for a construction worker, they are making more than what…

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Q: If CV for an English Test is 62.5% and the CV for a History test is 62.5% , Compare the variation of…

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Q: Given that the total household is 2000, suppose there are 50 missing values for electric usage…

A: total household is 2000, suppose there are 50 missing values for electric usage reading before and…

Q: Recently, frogs have been disappearing from the wild due to a contagious fungus. To monitor the…

A: Use the ratio proportion method in this question.

Q: The pass result of fifty students who took up a class test is given elow: Marks Number of Students 4…

A: It is been asked to find average marks of students who failed using the given information.

Q: According to a recent report, 12% of all adults eat pizza with a knife and fork.  A researcher…

A: Population proportion is given as 12%

Q: In order to develop a more appealing​ cheeseburger, a franchise uses taste tests with 9 different​…

A: GivenTotal types of buns = 9Total types of Cheeses = 4Total types of Lettuces = 3Total types of…

Q: Dr. Volz gave an exam with 14 questions, but students only had to answer 10 of them. Suppose the…

A: We have to use combination formula. Formula : Crn = n!r!(n-r)!

Q: Our family brought lots of hot dogs along on our latest camping trip. However, after setting up the…

A: A fraction is a number in the form xy (where x and y are both integers and y≠0). In the above number…