the SAT is standardized so that the average score on the verbal test is 500 each year.  If you select a group of 100 graduating seniors who have taken the verbal SAT, What value would be obtained for their average score?

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: Neha scored 45 out of 50 in her maths test whereas Mita scored 75 out of 80. Whose performance was…

A: Given: The marks scored by Person N 45 out of 50 and person M scored 75 out of 80. Formula used: The…

Q: In general terms, what does Rejecting the H0 mean that you are concluding?

A: we have to give the conclusion for Rejecting the H0

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: The intelligence quotient of male grade 11 students is the same as the female students. Ho: Ha:

A: Hypothesis testing is conducted for the parameters of the population like population mean,…

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: f the score of 3 courses for a student who studied at a university are 81, 62, 74 with credit hours…

A: Solution: The scores of three courses for a students are  X= 81, 62 and 74 The credit hours  that is…

Q: Sonal received a 76 on their chemistry exam (class u = 72, σ = 8).  Ang received a 82 on their…

A: Consider that the mean and standard deviation of a random variable X are µ and σ, respectively.…

Q: If δ = 1, the difference between μ1 and μ0 has practical significance. True or false? Please…

A: While conducting a test of hypothesis, the probability value for the test test statistic is compared…

Q: The principal of Paul Revere High School bragged that his 2016 graduating class of 1500 students…

A: The null and the alternative hypotheses used for testing are given below:  H0: The observed…

Q: My qustion is How does the world of Ballet reflect the racism that occurs in America?.

A: It is an important part of statistics. It is widely used.

Q: What is the correct conclusion?

A:

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: A media personality argues that global temperatures are not rising, because every year an increase…

A: Given margin of error = 0.15Every year  an increase of 0.08 degrees C is reported. Margin of error =…

Q: A certain test is worth 125 points. How many points (rounded to the nearest point) are needed to…

A: Test of worth=125 pointneeded=75 %

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: For this problem, assume the test had 7 true-false questions and 7 multiple-choice questions, and…

A: Each true-false question can be answered in 3 ways.  [True / False / Left blank] So 7 true-false…

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

A:

Q: The mode for our class on Exam 3 was 74%.  That means that at least one student in our class scored…

A: Mode is the value that is maximum repeated. So, at least one person have scored the marks same as…

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

A:

Q: In one of your Political Science courses, there are 51 Democrats, 47 Republicans, and 2…

A: GivenNo.of democrats =51No.of republicans =47No.of independents = 2No.of women =20no.of democrats…

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: In one of your Political Science courses, there are 51 Democrats, 47 Republicans, and 2…

A: GivenNo.of democrats = 51No.of republicans=47no.of independents=2No.of women=20no.of democrats…

Q: The principal of Paul Revere High School bragged that his 2016 graduating class of 1500 students…

A: Given:Number of categories = 3Level of significance (α) = 0.05.

Q: . The average test score of 8 students in a class is 92. Two slacker kids join the class and the…

A: Solution of question as follows

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

A:

Q: A landscaper wants to find the answer to the question "How much time do people in Raleigh, North…

A: To find which of the following option is best describe the accuracy of the result of the survey.

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: You want to do a simulation where 10% are left handed, 89% are right handed, and 1% are…

A: It is given that one want to do a simulation where 10% are left-handed, 89% are right-handed, and 1%…

Q: A drug company creates a medicine designed to prevent colds, and states that it is equally effective…

A:

Q: the probablity that a radio will last more than 4 years is 0.91. from a batch of 300 such radios,…

A:

Q: What is the standard error for the difference between the two means

A: here from given information  For Private  sample mean = x¯  = 42.5  s2x = 48.7 nx =  10   For pubilc…

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: What are some of the instruments that can be used to conduct a research project? How does one select…

A: Here we want to discuss instruments that can be used to conduct a research project. interviews,…

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: 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 an objective type test of 90 questions, 5 marks are allotted for every correct answer and 2 marks…

A: The logic here is to calculate the marks obtained from correct answers and the minus the negative…

Q: On a certain test, the average passing score is 72 while the average failing score is 50. If the…

A: Lets say there are 'm' number of students a1, a2,.........am passed the test and 'n' number of…

Q: A student scored between 81% and 93% on all exams except for one that she failed with a47% because…

A: Given that the student failed in one exam with score 47% In all other exams the student scored 81%…

Q: assume that the 160 students who take this exam will receive one of 24 grades   i. What does the…

A: Given:-     assume that the 160 students who take this exam will receive one of 24 grades   i. What…

Q: he average household income of Georgia is 89,679.25 and median household income for Georgia is…

A: Given that  The average household income of Georgia is 89,679.25 Median household income for Georgia…

Q: A media personality argues that global temperatures are not rising, because every year an increase…

A: Option a) is not much of a counterargument. It says, 'even 0.08 degrees is a lot ' but it doesn't…

Q: For this problem, assume the test had 8 true-false questions and 10 multiple-choice questions, and…

A: Given that there are 8 true or false questions and 10 multiple choice question and each multiple…

Q: Assume that the 160 students who take this exam will receive one of 24 grades. What does the…

A: Given : There are 160 students and there are 24 grades in an examination.   To determine: What does…

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)!

Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.