6 of the last 10 sundaes sold had nuts. Considering this data, how many of the next 5 sundaes sold would you expect to have nuts?

Q: _____________the information about the people from which you are gathering data from?

A: Given a statement we have to fill the blank of the statement.

Q: If a sample consists of 700 test scores, of them would be at or above the 32th percentile.

A: Given that  Number of test scores in sample (n) = 700 Percentile = 32 = 0.32   We know that…

Q: For this group of students, does the data suggest that the events "Spanish" and "Male" are…

A: Given   spanish French german boys 10 2 8 girls 15 12 3

Q: We are interested in determining if absences from a class affect your overall class grade. The…

A: Simple linear regression model: A simple linear regression model is given as y^ = b0 + bx + e…

Q: Different data sets can not be compared to one another if they are normally distribut True O False

A: Different data set can be compared if they are normally distributed by using Chi square goodness of…

Q: A biology professor claims that, on the average, 20% of her students get a grade of A, 30% get a B,…

A: The hypothesis is, Null hypothesis: H0:pA=0.20,pB=0.30,pC=0.25,pD=0.15,pF=0.10 Alternative…

Q: A high school student is writing a report on which social media site, Facebook or Instagram, is…

A: Solution of this question is

Q: 20. On average, how many of the 20 cocaine users with a small frontal lobe would you expect to be…

A: Assume X to be the number of cocaine users having small frontal lobe, out of the sampled 20, that…

Q: Which is a statistical question? How old was George Washington when he became president? How many…

A: Statistical Questions:-    A question is a statistical question of it can be answered with date that…

Q: 3) When you are trying to discover whether there is a relationship between two categorical…

A: To find the relationship between two categorical variables is difficult when we analyze the counts…

Q: (a) What percent of the scores are less than 19? (b) Out of 1500 randomly selected scores, about how…

A: mu = 19.9 s = 5.1

Q: According to The Census Bureau, 60% of adults buy clothing online. a) How many adults did they…

A: Solution: a. From the given information, p=0.60 and E=0.03. The confidence level is 0.95.

Q: A grocery store has determined that in crates of tomatoes, 95% carry no rotten tomatoes, 2% carry…

A: Given: The probability that crates carry no rotten tomatoes is 0.95. The probability that crates…

Q: Use the figure to the right, which shows the percentages of adults from several countries who favor…

A: There are two independent samples which are Country B and Country C. We have to test whether the…

Q: Given that the total sample of an FDT is 432, and the relative frequency of one of the classes is…

A: Total total relative frequency is add up to 100%  Here the  relative frequency of one class is…

Q: Holding everything else constant, what would happen if the sample size had been greater?

A: Goofy Marketing Solutions conducted a survey among 16 randomly selected visitors to the newly opened…

Q: Find the point estimate of the true proportion of people who wear hearing aids if, in a random…

A: It is an important part in statistics . It is widely used in all statistical procedures .

Q: What percentage of pets are Rabbits?

A:

Q: Suppose that in a group of 800 women, the percentage who work is the same as in the sample here, how…

A: men women total work 15 23 80 not work 23 28 51 total 38 93 131

Q: Say that there are five populations, and we need to test for difference of population means.  If we…

A: Say that there are five populations, and we need to test for difference of population means. We test…

Q: About 7% of males are colorblind. Hoping to find many colorblind men for her study, a researcher…

A: It is given that p =0.07 and n = 433.

Q: A statistics class with 60 students were given an examination and the results are shown below. 73 57…

A: Results of 60 students were given, we need to make a frequency distribution table.

Q: The proportion of all passenger who experiencing flight delay is sample statistics and can be…

A: Solution

Q: The top 5 students of grade 10 section Oxygen class, James, Jessie, Jane John, and Jack, are so…

A: Given Information: James got the 90th percentile, Jessie got the 9th decile, Jane got the 3rd…

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: A professor using an open source introductory statistics book predicts that 10% of the students will…

A: a) The hypotheses are H0:pbuy=0.10, pprint=0.55, pread = 0.35  H1: Atleast one of the claimed…

Q: The sampled students were asked about various things, including whether owned a car, whether they…

A: Simple random sampling (SRS) is a method of selection of a sample comprising of n a number of…

Q: The arm span and foot length were measured (in centimeters) for each of the 19 students in a…

A: The objective is to find out the predicted foot length for a student with an arm span of 160cm.

Q: The following is an example of what type of error? The sample suggests that the food is not safe,…

A: The type I erpor is defined as rejecting the null hypothesis when it is true. The type II error is…

Q: Given this information, if having a laptop is independent of gender, the expected number of males…

A: The expected count can be obtained as E = (row total × column total)/Total

Q: How many different arrangements can be formed from the word STATISTICS?

A:

Q: A Statistics teacher wants to know if students exposed to the use of technology in the classroom got…

A: The random variable score is normally distributed. There are two independent samples which are…

Q: In a large department store, the owner wishes to see whether the number of shoplifting incidents per…

A: Given claim: There is a difference in the number of shoplifting incidents before and after the…

Q: On its municipal website, the city of Tulsa states that the rate it charges per 5 CCF of residential…

A: Note: Thank you for the question. Since multiple subparts are posted, according to our policy, we…

Q: On its municipal website, the city of Tulsa states that the rate it charges per 5 CCF of residential…

A:

Q: In a set of 22 scores in statistics, the highest and the lowest scores were found to 89 and 25…

A: Measure of central tendency measures the central or average value of a dataset. Mean, median and…

Q: A seven-year medical research study reported that women whose mothers took the drugDES during…

A:

Q: Example 3. A survey company investigated 800 car owners and found, 65- owned Maruti car and 300…

A:

Q: A population with a mean of 8 has a sum of 40. How many scores are in the population?

A:

Q: The table below reveals the relative frequencies of students and how they get to and from school.…

A:

Q: Given a population of 5000 scores with mean µ = 86 and o= 10. How many scores 3. above 116?

A:

Q: Based on this sample, how many of the 62,000 books in the collection should Mr. James expect to have…

A: It is given that Number of books with no damage = 1026 Sample size n = 1026+28+26 = 1080 Let p be…

Q: The mean weight of 15 wrestlers is 110 kgs. The mean weight of 5 of them is 100 kgs and another 5 is…

A: Given that, the mean weight of 15 wrestlers is 110 kgs. The mean weight of 5 of them is 100 kgs and…

Q: Can you support the claim that yearly salaries for engineers in Hartford, CT are lower than yearly…

A: Given : Claim : yearly salaries for engineers in Hartford, CT are lower than yearly salaries of…

Q: A coin is flipped 70 times and lands on tails 28 times. What is the relative frequency of the coin…

A:

Q: The top 5 students of grade 10 section Oxygen class, James, Jessie, Jane, John, and Jack, are so…

A: The top 5 students of grade 10 section Oxygen class, James, Jessie, Jane, John, and Jack, are so…

Q: A set of data has a mean of 16, a media of 15, and a mode of 14. Which of these numbers must be a…

A: Given: Mean = 16 Median = 15 Mode = 14

Q: The arm span and foot length were measured (in Using the computer output, what is the predicted foot…

A:

Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.