own that the probability of finding a job within the first 3 months after graduation is 40% for students who graduate from economics departments of universities. 2.000 newly graduated students from the department of economics were interviewed and let X indicate the number of people who found a job within the first 3 months. Accordingly, answer the following questions. a) ?(800 < ? ≤ 1300) =?  b) ?(? ≥ 1200) =

Q: TYG 2 2. New Concept: Odds In gambling, the chances of winning are often written in terms of odds…

A: As per our guidelines, we are allowed to answer first three sub-parts only. Thanks   A standard deck…

Q: The University Secretary wants to determine how University grade point average,GPA (highest being…

A:

Q: 2. Scores on a mathematics exam given to ten-year-old children throughout Japan are Normally…

A: The question is about central limit theorem Given : Popl. mean score ( μ ) = 520 Popl. std.…

Q: (a) Which of the following must be true about Deshaun's score? Deshaun scored higher than about 68%…

A: It is given that  Deshaun’s percentile = 32nd Susan’s percentile = 66th

Q: If the mean of the values 50, x, 55, 35, 15, 25 is 40, then the value of x must be......

A: Given : The mean of the values : 50, x, 55, 35, 15, 25 is 40. We have to find the value of x.

Q: A manufacturer of flashlight batteries took a sample of 10 batteries from a day's production and…

A: Normal distribution, also known as the Gaussian distribution, is a probability distribution that is…

Q: 1. Samples of 3 cards are drawn without replacement from a population of five cards numbered from 4…

A: There are 5 cards numbered from 4 to 8. 3 cards are selected at random without replacement. So, the…

Q: It is a R question. Using your personal random sample of 1,000 observations, find: the average age…

A: #Generating 1000 random sample(considered as age)random&lt;- sample(1:100, 1000, replace =…

Q: Many young men in North America and Europe (but not in Asia) tend to think they need more muscle to…

A: It is given that,Sample mean = 2.35.Population standard deviation, sigma is 2.5.The sample size, n…

Q: A polling company reported that 49% of 1013 surveyed adults said that rising gas prices are "quite…

A: We have to find correct answer..

Q: . If the mean and median of a set of numbers are 8.9 and 9 respectively then the mode will be (a)…

A: Given , Mean = 8.9Median = 9 We have to find the mode .

Q: The University Secretary wants to determine how University grade point average, GPA (highest being…

A: 1.To determine the fitness of the regression model, the value of the r-squared is obtained by the…

Q: If the mean of 21,x,15,35,10,25 is 20,then the value of x must be.. Select one: О а. 19 O b. 12 О с.…

A:

Q: What if the mean is 61?

A: Let X be the final exam score in statistics.Here X is normally distributed with a mean of 61 and a…

Q: SAccording to Inc.com, 79% of job seekers used social media in their job search in 2018. Many…

A:

Q: What is mean by equition

A: Equation: An mathematical expression which involves two quantity ,one is unknown function which is…

Q: the statement that there is some difference in the population, denoted as Ha or HI is also known as?

A: We have given the following statement

Q: Why is SSA called the ambiguous case?

A: SSS is a triangle in which side and an angle opposite one of them are given. such a case  is called…

Q: Are discriptive and inferential statistics competive or coplementary?

A: Descriptive statistics and inferential statistics are complementary to each other.

Q: If m is the average (arithmetic mean) of the first 10 positive multiples of 5 and if M is the median…

A: The objective of the question is to find the difference between the median and the mean of the first…

Q: To get a grade of A-, a student must have a mean average of 90 or greater.  Jim has a mean average…

A:

Q: ring one shift, the express lane cl сl nes customers violated the "10 ite ne. In particular, he…

A: Given Exceeded by 2 13,12,12,8,4

Q: please solve

A: Step 1:Step 2: Step 3:Step 4:

Q: A laptop manufacturer claims that the mean life of the battery for a certain model of laptop is more…

A: Claim: the mean life of the battery for a certain model of laptop is more than 5 hours.

Q: A researcher wishes to demonstrate that the mean income of American families with 4 members is now…

A: We always put the no difference under null hypothesis

Q: The geometric mean and harmonic mean of two non-negative observations are 15 and 6 respectively.…

A: Given: Geometric mean (GM) = 15 Hormonic mean (HM) = 6

Q: is it possible that 70 of all students are below average

A: The class averages in both sections and for both professors are above 70, meaning that at least 50%…

Q: 1. In one season, the New England Patriots won 14 football games and lost 2 games. Which number…

A: Defining the Problem: In this scenario, given is information about the New England Patriots'…

Q: What was the median commute time?

A: Here we want to know What was the median commute time.

Q: A study was conducted to determine the proportion of people who dream in blaCk and white Instead of…

A: Two sample proportion test: Two sample proportion test is used to test the significance difference…

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

A: The weighted mean value of any random variable X can be given as, Weighted mean=∑i=1nWi·Xi∑i=1nWi.…

Q: Eugene must take four exams in a geography class. If his scores on the first three exams are 91, 67,…

A:

Q: 90

A:

Q: The University Secretary wants to determine how University grade point average,GPA (highest being…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

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.