(b) Interpret this probability by estimating the percentage of all people whose main satisfaction in life comes from their work. Round your answer to two decimal places. We estimate % of all people find their main satisfaction in life comes from work.

Q: Based on the model, what percent of people should have IQ scores above 116? What percent of people…

A: Given a normal distribution with  mean 100 and standard deviation 16.IQ score 116 is one standard…

Q: b) Rachel received the following scores on the midterm and final examinations in his introductory…

A: The normal distribution is the bell shaped distribution which is centred at the mean. This is also…

Q: Men Women Total Work 15 65 Not Work 23 28 51 38 ? a) Figure out the missing totals and report them…

A:

Q: in a survey 7 out of 8 people liked cooking over washing dishes what percent liked cooking more

A: As per question, we need to find how much percentage liked cooking more. So, we need to find both…

Q: Suppose at your university you are asked to find the relationship between weekly hours spent…

A: Correlation: Correlation a measure which indicates the “go-togetherness” of two data sets. It can be…

Q: A survey asked a random sample students if they estimated they spent more or less than an hour a day…

A: Given that   More  less  7th grade  24 25 8th grade 28 26 We have to find the number of…

Q: In a survey of middle school students, 70% play basketball and 40% play basketball and football. Of…

A:

Q: One month is what percentage of a year, given that there are 7 days in a week, 4 weeks in a months…

A: One month is what percentage of a year,  given that there are 7 days in a week, 4 weeks in a months…

Q: this question was rejected because its considered a writing problem, when it's not. this is a stats…

A: Given that the students commission wants to estimates the average amount of money spent by college…

Q: A polling company reported that 33% of 2302 surveyed adults said that they play baseball. What is…

A: Given information 33% of 2302 surveyed adults play baseball

Q: An analyst might want to determine whether there is a difference in the cost per mile of airfares in…

A: Given: City 1979 (x1) 2009 (x2) 1 20.3 22.8 2 19.5 12.7 3 18.6 14.1 4 20.9 16.1 5 19.9…

Q: 12. Mr. Hamilton's class is going to an amusement park. The table shows the heights of the students.…

A: 4 feet = 48 inches so all the students above and 48 inches are allowed thus find the percentage by…

Q: What percentage of scores would be above 567?

A:

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: The lowest mark scored for a certain examination in a statistics class is 11. If the midrange of the…

A: Given that Minimum = 11 Midrange = 29

Q: What percentage of the people who worked were males?

A: men women total work 15 23 80 not work 23 28 51 total 38 93 131 What percentage of the…

Q: Out of 32 students in a class 5 said they ride their bike to school. Based on these results how many…

A: Unitary method : It is a method by  first determine the value of single unit and then determine the…

Q: Howard scored in the 55th percentile rank on an exam. If 400 students took the exam, how many…

A: Note:Hi there! Thank you for posting the question. To avoid plagiarism issues, we have used the…

Q: Suppose your statistics instructor reports test grades as z-scores, and you got a score of on an…

A: The Z score is given by, Z=X-μσ,where μ=population mean            σ= population standard deviation

Q: Suppose that there is a negative relationship between grade point average and the number of hours…

A:

Q: For Questions 4-8: Heights (or lengths) of adult animals tend to have distributions that are well…

A: Heights (or lengths) of adult animals tend to have distributions that are well described by normal…

Q: The mean IQ is 100 and the standard deviation is 15. What percentage of people fall between the IQs…

A: given  data, μ=100σ=15we have to find out the percentage of people

Q: . The result of an English exam show a mean score of 55 and a standard deviation of 6. What percent…

A:

Q: An immunologist is interested in whether the number of symptoms of the flu a person first exhibits…

A: The test is to check whether the number of symptoms of the flu a person first exhibits is related to…

Q: Out of 1000 people surveyed, 850 said they like chocolate.  What proportion of people surveyed said…

A: Given: The total number of people surveyed is 1000 850 people said they like chocolate We have to…

Q: stimate the proportion of all households that are very satisfied from the house they are living

A: The given data represents the responses of 50 households on their satisfaction level from the house.

Q: What proportion of the general population has an IQ of 70 or less?

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

Q: According to recent data, 21 percent of people are left handed. In a sample of 100 people, how many…

A: The expected number of the left handed people is obtained below as follows:   From the information,…

Q: If the median house price is $1.9m, does that necessarily mean that half of the houses on the block…

A: Median refers to the middle value that divides the whole data in two equal to parts lower half and…

Q: what percentage of the women did not work?

A: men women total work 15 23 80 not work 23 28 51 total 38 93 131 percentage of the women…

Q: 1. The list gives the year of birth for each state governor in the US in 2007. Choose intervals and…

A: Frequency Distribution: In Statistical theory, a frequency distribution is a tabular, listed or…

Q: A paper describes an investigation in which 40 men and 40 women with online dating profiles agreed…

A: Confidence interval is used to determine the range where the true value of the parameter lies. It…

Q: There are​ 64% of US adults who own a​ smartphone, up from​ 35% in 2011. Smartphones have become an…

A: If a study involves each and every unit related to the study, then it is called population.  If a…

Q: What percentage of people has an IQ score greater than 157

A: Z is known as standard normal variable Z=(X-mean)/standard deviation