Find the D account value for the median of the accidents that occurred in 2020

Q: 2. The numbers of movies attended last month by a random sample of 12 high school students were…

A: data,   2,0,3,1,2,4,2,5,4,0,1,4 data in accending order:0,0,1,1,2,2 ,2,3,4,4,4,5

Q: Suppose that the unemployment rate for 18- to 34-year-olds was reported to be 10.6%. Assume that…

A: Given, The unemployment rate for 18- to 34-year-olds was reported to be 10.6% based on a random…

Q: 1. Nationally, 29% of high school students report riding in a car driven by someone who had been…

A: Given Data: p^=3041214=0.2504   Null and Alternate Hypothesis: H0: p=0.29 HA: p<0.29

Q: A mayor running for re-election claims that during his term, average municipal taxes have fallen by…

A: Given data and calculation is shown below Data(x) (xi - x̄)2 166 475.71 77 4514.4 128…

Q: 55% of students entering four-year colleges receive a degree within six years. Is this percent…

A: hypothesis  H0 : p'=0.55 H1 : p'≠0.55 test statistic Z =P' -ppqn

Q: 3. The reaction times of an individual in certain stimuli were measured by a psychologist to be…

A: The data shows the reaction times of an individual in certain stimuli.

Q: Which statement about student art prefernces is unbiased? A.surveying the first 5 students entering…

A: Statement which is unbiased is

Q: A researcher made a survey regarding the proportion of male and female college students who dropped…

A:

Q: A company has 14 employees with a salary of ​$20,700​, 12 employees with a salary

A:

Q: 5. A researcher would like to know whether there is a consistent, predictable relationship between…

A:

Q: 6. A researcher claims that the average cost of men's athletic shoes is less than Php 4,000. He…

A: A hypothesis which is tested for plausible rejection is the Null Hypothesis (usually denoted by H0).…

Q: 7. The 2019 standings for MLB's National League Central division (NLC) and the NBA's Southeast…

A: We are given the percentage (proportions) of wins for MLB and NBA. To determine the most competitive…

Q: Assume that there are only two age groups ("young" and "old"). Among Argentine immigrants in the US,…

A:

Q: Imagine that you were hired as a consultant by a local business owner to help her determine how many…

A: Assume that μ defines the mean number of days off taken by all employees.

Q: 3. A consumer testing agency wants to evaluate the claim made by a manufacturer of discount tires.…

A: Null hypothesis: Null hypothesis is the statement about parameter of population. Alternative…

Q: A mayor running for re-election claims that during his term, average municipal taxes have fallen by…

A: Given data and calculation is shown below Data(x) (xi - x̄)2 166 475.71 77 4514.4 128…

Q: Is there a significant difference between age groups in math achievement? 1. Yes, p .05

A: If the p-value is less than 0.05 then there is a significant different between age groups in math…

Q: 2. The numbers of movies attended last month by a random sample of 12 high school students were…

A: The modes of the data set are 2 and 4. Explanation: The mode of a set of data is the value in the…

Q: 4. The bad debt ratio for a financial institution is defined to be the dollar value of loans…

A: The single mean t-test is used to compare the mean of a variable in a sample of data to a…

Q: 10. Data from the FBI revealed that of all the people arrested in the U.S. in 2020, 73% of them were…

A: To find: a) The probability that someone who was arrested is not a juvenile b) The probability that…

Q: 8. For the date 4, 16, 20, 24, 38,57,59,60,60,74, compute the 10% trimmed mean.

A: Given data :  4,16,20,24,38,57,59,60,60,74 n = 10

Q: 10.67 The Pew Research Center conducted a poll in January 2014 of online adults who use social…

A: Solution:a.Obtain the critical value at 95% confidence level:From the given information, the…

Q: A mayor running for re-election claims that during his term, average municipal taxes have fallen by…

A: Null Hypothesis is a neutral statement about the parameter or distribution. Alternative hypothesis…

Q: 9) A survey of 1688 American households found that 14% of the households own at least two bicycles.…

A: Solution 9:  A survey of 1688 American households found that 14% of the households own at least two…

Q: A total of twelve hundred graduates of State Tech have gotten into medical school in the past…

A: We have to use general set theory to find the probabilities.

Q: Please answer number 13.

A: It is given that 43% had no children, 18% are had one child, 18% are have two children, 21% have…

Q: 4. It has been found that 85.6% of all enrolled college and university students in the United States…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: In a batch of 15 students, 3 students failed in an examination. The marks of passed 12 students were…

A:

Q: Prepare a pie chart of the academic readiness of your employees in a company: Academic preparation…

A:

Q: A survey of recent college graduates yielded the following information: 59 graduates earned a…

A: The number of graduates earned a degree in mathematics is n(M) = 59.

Q: 3. A light bulb manufacturer finds that 4% of the bulbs it makes are defective. The quality control…

A: We will calculate percentage of 700 out of 15500 if it becomes 4% then we can agree.

Q: 6 The percentage of sugar in a popular brand of soft drink is given below. 34.2 33.6 33.8 34.7 33.1…

A: Provided data is ; 34.2  33.6  33.8   34.7  33.1  34.7  34.2  33.6  34.5   35     33.4  32.5   35.6…

Q: 59% of students entering four-year colleges receive a degree within six years. Is this percent…

A: The random variable students who play intramural sports follows normal distribution. We have to test…

Q: A mayor running for re-election claims that during his term, average municipal taxes have fallen by…

A: From the provided information, The sample size (n) =37

Q: College Degree Recipients A survey of 800 recent degree recipients found that 158 received associate…

A: We have to perform Chi-square goodness of fit test.  Hypothesis : H1 : At least one of the…

Q: 3.1 The Chronicle of Higher Education (August 31, 2001) published data collected in a survey of a…

A: Here we had data with percentage  And we have to represent it in pie chart

Q: A mayor running for re-election claims that during his term, average municipal taxes have fallen by…

A: Given information: 121, 139, 121, 125, 118, 145, 141, 91, 127, 136, 144, 154, 131, 139, 125, 108,…

Q: 60% of students entering four-year colleges receive a degree within six years. Is this percent…

A: a. For this study, we should use one sample proportion z test. b. The null and alternative…

Q: mean,themedian,andthemodeofdataset:12.37,13.33,32.67, 12.37,

A: The mean is calculated as: =12.37+13.33+32.67+12.37+ 26.455=97.19 5= 19.438

Q: Please see picture

A: Let A be the event that a lot has 5 defective parts and B be the event that a lot has 2 defectiven…

Q: 5. The Knight Igates high school students agreed with the statement that 2oople should be allowed to…

A:

Q: 9. Frequency of clients that wait less than 20 minutes 10. Percentage of clients that wait less than…

A: A frequency distribution is a tabular, listed or graphical representation of data that shows the…

Q: It is claimed that Far Easterners who come to Turkey for holiday purposes spend less foreign…

A: We want to test the hypothesis

Q: A mayor running for re-election claims that during his term, average municipal taxes have fallen by…

A: Given n=42 Mean=100

Q: 7. Apply Chebyshev's Theorem to find the least possible fraction of the numbers in a data set lying…

A: Chebyshev's inequality: Chebyshev's rule is appropriate for any distribution. That is, Chebyshev's…

Q: (a) "What was the prevalence of type II diabetes in this community on January 1st 2016?"   (b)…

A: As per our guidelines,w e are allowed to answer firs three sub-parts only. Thanks   Number of…

Q: 5. A health spa claims that a new exercise program will reduce a person 's waist size at least 2…

A: Confidence interval is a simpler and shorter way of testing the null hypothesis.

Q: 3 A researcher wants to determine the mean income of adults in a particular state. She decides to…

A: