What does the numbers mean in a 40;20;10; sequence or a 10;40;20; sequence?  Is the 40, the number of participants?

Q: How many false positives were there among these 189 people? Explain the meaning of a false positive…

A: Introduction - Reasons for false positives :- Non-specific results cross-reactions problems in…

Q: In a survey, students were askedabout their favorite subjects. The results as follows: 132 students…

A: Let M, S and E represent the set of students who like Math, Science and English, respectively.…

Q: in how many ways can 5 children be arranged in a line for a photograph?

A:

Q: Ms. Teller surveyed the 38 students in her class about their families. 28 students have a brother or…

A: solution of the given problem is below...

Q: If the five numbers summary of 700 observations are: 10,20,25,30,40 ,then the number of observations…

A: Given No. of observations = 700 5 no. summary = 10,20,25,30,40

Q: What is the mode for the numbers 7, 6, 5, 8, 7, 5, 9, ? 3, 5 and 7

A: We have to find  mode..

Q: The five-number summary for scores on :a statistics exam is .and 97 83 ,77,68,35 In all, 196…

A: The five-number summary is, minimum value, lower quartile, median, upper quartile and maximum value.

Q: In a mathematics examination, a student may select 7 problems from a set of 10 problems. In how may…

A: In a mathematics examination, a student may select 7 problems from a set of 10 problems

Q: For a school health project, Tim asked 128 people whether o missing from the diagram. Healthy Diet…

A: Given that:     Total number of people surveyed=128

Q: In a numerical value data set, the largest value is 85. There are 7 classes and the width of the…

A: It is given that the largest value is 85, there are 7 classes, and the width of the class is 9.

Q: State if the following is an observational study, a survey, or an experiment, and give a reason for…

A: Students are randomly selected from the 2 populations of interest and there is no treatment that is…

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

A:

Q: Poker tournament rules state that 10% of those who pay the entry fee will finish in the money. If…

A: It is given that, according to poker tournament rules 10% of those who pay the entry fee will finish…

Q: How do you list in Ec format for outcomes

A: As per given by the question, How do you list in Ec format for outcomes? Now, The Ec means,  that…

Q: In a friend group of six, how many ways can we arrange them in a line for a photograph?

A: In a friend group of six, we have to arrange them in a line for a photograph.

Q: You plan to make a survey of 200 people. The plan is to talk to every 10th person coming out of the…

A: A sample is a sub part of population and it is selected randomly such that it is representative of…

Q: What is the mean of 1,-3,4,5,7?

A: Given data, 1,-3,4,5,7   Mean=?

Q: If the aggreat is 30 and the mean is 10. How many sets of numbers are used

A: According to the provided information, The aggregate is 30 and the mean is 10

Q: Keiko asked 15 students how many courses they have taken so far at her college. Here is the list of…

A:

Q: What is the median race time in seconds for this group of students

A:

Q: If a child psychologist wanted to determine if there is a relationship between gender of a child and…

A: Chi-square test of independence should be used here.

Q: (d) If the bottom 10% of students will fail the test, what is the lowest mark that a student can…

A: Given that, the mean value is μ=75 and standard deviation σ=15. It is known that, the formula for…

Q: In how many ways can a student choose to do 5 questions out of 11 on a test?

A: The question is based on permutation. We need to find the number of ways a student can choose 5…

Q: In the set of scores, 14, 17, 10, 22, 19, 24, 8, 12, and 19, the median score is

A: First we have to arrange the data in ascending order as 8, 10, 12, 14, 17, 19, 19, 22, 24 Note :…

Q: Write a set of 6 unique number that is skewed to the left And had a mean of 6 and Median of 8

A: Introduction: It is required to create a set of 6 unique numbers, such that the distribution is…

Q: In a survey of 1000 students it was found that 840 own a cell phone, 450 own an MP3 player and 370…

A:

Q: Suppose you have a set of cups and saucers which are red, orange, green, light blue, dark blue, and…

A: Number of different coloured coffee cup=6 Number of different coloured saucer=6

Q: If in a discrete data, 75% of the values are less than 30, then......?

A: we know that,  If Q1 is first quartile then we can say that 25% data points are below Q1. If Q2 is…

Q: 18. the mean of 7 numbers is 63. What is the sum of the numbers?

A: It is given that Number of observations n = 7 Mean = 63

Q: Sam received scores of 84,86,83,90 and 87 on five tests. Hola had scores of 90,75,94,68 and 98 on…

A: Now we apply the formula of getting average = Sum of all scores / Total matches playedSo average…

Q: the numbers of touchdown passes that peyton manning threw in each of his 13 seasons with the…

A: Solution

Q: In a class of 18 girls and 15 boys, in how many ways can a girl get the highest grade, a boy second,…

A: Consider the given information.The number of the boys is 15 and the number of the girls is 18 girls.

Q: Mr. White collected data from his eighth grade class on whether they prefer the zoo or the museum.…

A:

Q: How many anagrams are there of the word anagram?

A: Given data : Given letter  is  : anagram To find: How many anagrams are there of the word anagram?…

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: At a liberal arts school, a survey of 100 students indicates that 68 enjoy their English class while…

A: Let,Number of students who enjoys English subject = n(E)Number of students who enjoys Mathematics…

Q: 2.) Suppose you scored 75, 64, and 79 on your first 3 math tests. a.) What is your current average?

A: We are given scores of 3 math tests which are 75, 64, and 79 We need find the current average of…

Q: Professor X  gave a quiz to five students.  He remembered four of the grades 82, 88, 81, 77 and the…

A: Given observation 82, 88, 81, 77 Mean = 80

Q: If the mean of a set of scores is 12 and a new set is created by multiplying each score by 3, what…

A:

Q: You roll a six-sided die 60 times and got the following tally: 20 ones, 20 twos, 15 threes, 3 fours,…

A: For a fair die, there are six equally likely outcomes, {1, 2, 3, 4, 5, 6}. That is, probability of…

Q: Is the number two in the sentence a statistic or a perimeter? Two students out of all 29 students in…

A: Statistics :  It summarizes the data from sample taken from any certain population .  Parameter :…

Q: How children in the exposed group have the number of finger-wrist taps in the dominant many hands…

A: Reviewing information, 2 groups are given with box plot

Q: Draw the scatter diagram and make a comment which student acts most different than others?

A: a) Steps for scatter plot in Excel: Enter the data for x and y in Excel sheet>Select the columns…

Q: Katrina must take five exams in a math class. If her scores on the first four exams are 71, 69, 85,…

A: Given that Katrina scores on the first four exams are 71, 69, 85, and 83 and suppose she scores x…

Q: An English class consists of 28 students, and five are to be chosen to give speeches in a school…

A:

Q: If the mean of 5 values equals 34, then ΣΧ-

A:

Q: Explain what each phrase means in the context of inferences for a population proportion. a. Number…

A: a. The phrase “number of successes” means that the number of members from the sample illustrates the…

Q: One version of the card game poker involves dealing each player 5 cards from a standard deck of 52…

A: We use permutation formula here= n!/(n-r)! Here n=52 And r=5

Q: in poker, how many ways can you get three aces and two 3's

A:

Q: In how many ways can four children fall in line if the tallest be the last?

A: In how many ways can four children fall in line if the tallest be the last?

Sequence and Series

A sequence is defined as a collection of things. Series is defined to sum the things one by one in the sequence.  It was invented by German mathematician Carl Friedrich Gauss.