Data was collected for 300 fish from the North Atlantic. The length of the fish (in cm) is summarized in the histogram below. Frequency 100 80 60 40 20 220 222 224 226 228 230 232 234 length of fish (mm) What is the class midpoint for the second class? class midpoint =

Q: An air transport association surveys business travelers to develop quality ratings for transatlantic…

A: The given sample of 50 business travelers are 6 4 6 8 7 8 6 3 3 8 10 4 8 7 8 8 5 9 6 8 4 3 8 5 5 4 4…

Q: termine whether the following procedure results in a binomial distribution or a distribution that…

A:

Q: QUESTION 18 The mean scores for students in MTH281 course (by major) is shown below. What is the…

A: Mean is the average of all the observations. It is calculated by adding all the observations and…

Q: Engineers in a design department are assessed by their leader. A 'O' is 'Terrible' and a '5' is…

A: Given information: Score Number of staff 0 2 1 5 2 6 3 9 4 4 5 3 Sum 29

Q: (b) Find the mean and standard deviation of the population of all possible sample means when we…

A: (b) The population mean is 6 and population standard deviation is 2.24. The mean of the population…

Q: Problem: Use the data given in Example #1 to construct a 95% confidence interval for the mean number…

A: Given data:

Q: Determine whether the following value is a continuous random variable, discrete random variable, or…

A: We need to determine whether  the given value is a continuous random variable,  discrete random…

Q: According to the Vivino website, suppose the mean price for a bottle of red wine that scores 4.0 or…

A: Given: Population mean μ = $32.48 Sample size n = 59 Sample mean X = $30.15 Sample standard…

Q: As a chemical engineer working for a tire manufacturer, you collect the following data in order to…

A: Given: Kilometers with acceptable wear, x Frequency, f 30000 15 35000 20 40000 34 45000…

Q: If S = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}, and A = {0, 2, 4, 6, 8}, B = {1, 3, 5, 7, 9}, C = {4, 5, 6,…

A: S = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}, and A = {0, 2, 4, 6, 8}, B = {1, 3, 5, 7, 9}, C = {4, 5, 6, 7},…

Q: Suppose that a sample of size n-3 is selected from a population of four value 4, 8, 0, 12. (1) Find…

A: Given Information: A population consists of four values: 4, 8, 0, 12 A sample of size n=3 is…

Q: Class Intervals : Frequency: : Find A.M. for following data (Open end interval) Below 20 20-30 10 6…

A:

Q: List the possible remainders when the positive integer n is divided by 7.

A: We have to calculate possible remainders when the positive integer n is divided by 7

Q: Another researcher reads the study regarding cleanliness and morality and is very skeptical. She…

A: 1. There is nothing related to smell in either of the two studies. So this has to be false. 2.…

Q: Three transistors are tested. The probability that none of them works is 0.97. What is the…

A:

Q: signment will assess your ability to calculate t andard deviation of a set of data. The weights o

A: Median is one of the measure of central tendency. Median shows middle value for given data set.…

Q: ted

A: A hypothesis test known as a t test for one mean seeks to infer anything about the population mean.…

Q: Another random sample of the number of friends for 30 users of the website is shown. Use this sample…

A: Given: 162 114 131 87 108 63 249 135 172 196 127 100 146 214 80 55…

Q: U дней wut s The quien equation is: f(x,y) = xe *(y+)ivier 67 veget in x 0,90 John is you have to…

A: As per bartleby guidelines we can solve only first question and rest can be reposted

Q: Determine whether the following procedure results in a binomial distribution or a distribution that…

A: Since we know that the condition for applying binomial distribution is given as : 1) Number of…

Q: The number of light bulbs that can be expected to last less than 1540 hr is.

A: here given , Suppose that the life expectancy of a certain brand of non defective light bulbs is…

Q: 1. What is the sample in this study? 2. What is a possible population? 3. Is this an experiment or…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: he lifespan (L) of each of 2000 valves measured and given Calculate the pro that the lifespan of a…

A: The lifespan (L) of each of 2000 valves and their probability is given below: lifespan (hours)…

Q: Feeling lucky? I bet that at least two students in our class share a birthday (not including year).…

A: Given information: Number of students in the class = 40 students

Q: Suppose you measure many many heights and get the following histograms Histogram of Height X Top…

A:

Q: The probability distribution for the random variable,x, is x: 2, 2.5,3.0,3.5,4.0,4.5…

A: Given: x P(x) 2 0.07 2.5 0.36 3 0.21 3.5 0.19 4 0.1 4.5 0.07     Total 1

Q: A stream of data consists of four characters A, B, C, D with probabilities 0.1, 0.3, 0.2, 0.4,…

A: Given a stream of data consists of four characters A, B,C and D with probabilities 0.1,0.3,0.2,0.4.…

Q: Construct a cumulative frequency distribution with 6 classes. Less than 69.5 Less than 109.5 Less…

A:

Q: Thirty-five soccer players were challenged to do as many sit-ups as possible in two minutes. Here…

A: We have to construct frequency distribution for mentioned data First we will arrange data. Than we…

Q: Calculate the means and standard deviations of:1, 2, 3, 4, 5

A: Let X denote the given observations. Then we have to calculate the mean and SD.

Q: Consider the bar graph, which shows the numbers and percentages of bachelor's degrees in engineering…

A: The objective is to determine the ratio of the number of men to the number of women earning…

Q: Calculate the means and standard deviations of:1, 2, 3, 4, 5 O a. mean = 3; st. dev. = 1.414 b. mean…

A:

Q: Company A produces 10% def Company B produces 20% def and C produces 5% defective choosing a company…

A: Company A produces 10% defective product. Company B produces 20% defective product. Company C…

Q: Company A produces 10% defective products, Company B produces 20% defective products and C produces…

A: Hint: All three companies are equally likely to be selected, therefore their probability of getting…

Q: You may need to use the appropriate technology to answer this question. Consider the following…

A: The hypothesized mean is 40, the sample size n is 36 and the test is left-tailed.

Q: E (XY)=E (X)E (Y) if x and y are independent. True b. False O a. O

A: The expectation of a discrete random variable X is a measure of central tendency of the probability…

Q: In a 2019 survey of 533 high school students nationwide, 49% of respondents said they were…

A: Research is the study used to understand the population. Research based on several methods, they are…

Q: Rodica's tests her theory with multiple hypotheses. She uses many different operational definitions…

A: This is a form of replication. Replication of an experiment means conducting the same experiment in…

Q: Lower and upper bounds are incorrect.  Here is the correct upper bound calculation and answer.…

A:

Q: Evan has surveyed their 20 classmates about the number of cars in their household and received the…

A: Given that, Evan has surveyed  their 20 classmates about the number of cars in their household. We…

Q: The exam scores (out of 100 points) for all students taking an introductory statistics course are…

A: from given box plot, minimum = 25

Q: A fair die is thrown, find the amount of information gained if you are told that 4 will appear. a. O…

A: Given information: A fair die is thrown and we are told that 4 will appear.

Q: TEN ENGINEERING STUDENTS HAVE THE FF. HEIGHTS (IN FT): 5.2 6.2 4.8 4.9 5.11 5.9 4.11 5.6 5.8 5.9…

A: The question is about measures Given : Data - 5.2, 5.8, 5.9, 6.2, 4.8, 4.9, 5.11, 5.9. 4.11, 5.6…

Q: 3. Given the data set, show all of your work and answer the questions below. Weights of Candy Bags…

A: Weights of candy bags given We have to calculate Percentile and value for given percentile Formula…

Q: This assignment will assess your ability to calculate the mean, median, mode, variance, and standard…

A: Measure of central tendency is used to measure the average of the data set. Measures of central…

Q: A discrete random variable has probability distribution: x= 1, 2,3,4, 5 and P(x) =0.12,0.15, 0.23,…

A: From given data we have : x 1 2 3 4 5 P(x) 0.12 0.15 0.23 0.3 0.2

Q: The incubation period for COVID-19, which is the time between exposure to the virus (becoming…

A: I solve this question using r-software. And in part (3) we can use binomial distribution to find…

Q: Engineers in a design department are assessed by their leader. A 'O' is 'Terrible' and a '5' is…

A:

Q: for the binary system if the entropy =0.9710 so the probabilities are:

A: Formula for Entropy: option a: Entropy=−[(0.3*ln2(0.3))+(0.7*ln2(0.7))]…

Q: ation of a set of data. The vs (in pounds)

A: Here we have to find mean, median, mode, range, variance, standard deviation  Mean: Mean is one of…