4. (7 pt) Let p(x) = x³ – 5x4 Use the fact that p(4) = 0, p(-1) = 0 and p(3) = 0, to factor completely p(x) 3x3 + 29x2 + 2x 24

Q: Use a two-proportion Z-test to determine if the proportion of people who responded positively to the…

A:

Q: In a recent survey,  8  college graduates were each asked for the number of hours they work each…

A:

Q: In​ Lindsay's class, there were three students who scored 80 on a test and six students who scored…

A:

Q: There are five numbers in a data set. They are 1, 2, 18, 19 and x, where x is one of the largest two…

A: The five numbers are 1,2,18, 19, and x. Here, x is the one of the largest two number of five. Median…

Q: there are 347 people that take a survey and assume that 112 of them are women. what percentage of…

A: The percentage of females in the survey is calculated below:

Q: In a recent survey, 8 college graduates were each asked for the number of hours they work each week.…

A:

Q: Find the median of numbers a, a - 1, a? +3, a? -5, a2 - 2. O a? - 1 O a² O a² + 3 O a2 - 2

A: Solution-: We want to find median of the numbers a2, a2-1, a2+3, a2-5, a2-2

Q: The median of 2, 9, 3, 5, 4, 7, 10, 2, 3, 12 is = 5.5 4.5 04 3.5

A: Given data(x) is;2,9,3,5,4,7,10,2,3,12data in ascending order;2,2,3,3,4,5,7,9,10,12number of…

Q: Just answer #3 please. Question 2 has the information needed for question 3.

A: In this question we need to answer which standard deviation Sam will prefer, before we have to know…

Q: 4) Consider the research question "On average do married users spend less hours per week on the app…

A: The variables given are age, relationship status, follower count, visits, the phone used, and time.…

Q: Helga scored in the 70th percentile rank on an exam. If 300 students took the exam, how many…

A: Given: percentile rank of Helga: 70th           total number of students who took exam: 300 students…

Q: Engagement: Which One Doesn't Belong: Odd Line Out Which line doesn't belong? u

A:

Q: Out of 200 students, 86 use fb, 68 insta, and 29 use both. How many students surveyed use neither fb…

A:

Q: Of the 328 patients that completed the survey last year, 211 of them claimed to be returning…

A: Given: 328 patients completed the survey 211 patients returning

Q: 19. A set of 8 numbers has a median of 19. If the numbers are arranged from largest to smallest,…

A: Given, a set has 8 number and has median 19. The numbers are arranged in descending order (largest…

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: The mean of 14 numbers is 49. Removing one of the numbers causes the mean to decrease to 43. What…

A: given data:mean =49n=14 Removing one of the numbers causes the mean to decrease to 43new total…

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: We expect a car's highway gas mileage to be related to its city gas mileage. Data for all 1198…

A:

Q: The mean of 12 numbers is 48. Removing one of the numbers causes the mean to decrease to 45. What…

A: Measures of Central Tendency: A measure of central tendency represents the central value or typical…

Q: Surveys were mailed to every 25th person listed in a local telephone directory. The purpose of the…

A: In most reserach the attempt is always to get a response of at least 60% to 75%. If we get low…

Q: on a multiple choice test with 20 questions, each question has 4 possible answers, one of which is…

A: We have to find mean  for students who guess at all  correct answers..

Q: . Find the median of these numbers: 4, 2, 7, 4, 3.

A: We have given that,  The data set are : 4, 2, 7, 4, 3 Then,  We will find the Median (M) = ?

Q: How do I determine each individual time on this box plot? i dont know how Im supposed to answer the…

A: Given box plots: For reading the exact values mark equal divisions on the minute scale and try to…

Q: The median of 2, 9, 3, 5, 4, 7, 10, 2, 3, 12 is = 5.5 4.5 4 3.5

A: Answer..

Q: Nonfiction books: In a study of online libraries conducted in a recent year, the mean number of…

A: Mean=267, Median=395

Q: The IQs of six boys are 111, 119, 122, 124, 123 and x. If their mean IQ is 120, what is x?

A: Given IQ's of six boys is111,119,122,124,123,xMean = 120

Q: Calculate the value of the range -13,-13,2,2,-13,2,-9

A: The question is about measures Introduction : Range  : Range is the difference between the largest…

Q: oes a phone poll of 900 Americans and ask each the highest earned education degree(none, fed, bs…

A: Any qualities, quantity, or number that can be evaluated or  calculated is referred to as a…

Q: a rate compares two numbers from different categories true or false

A: A rate is a ratio that compares two different quantities that have different units of measure. A…

Q: P-Value means

A: P- value means: Define: The P value is defined as the probability under the assumption of no effect…

Q: how do you determine how many observations are in the first class of a stem and leaf chart

A: The objective is to infer the no. of observations (or frequencies) in the stem-and-left plot.

Q: The mean score on a test is 75, the median score is 80, and the mode score is 85.  Pat got an 82.…

A: Given: The mean score on a test is 75, the median score is 80, and the mode score is 85.

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.