Find the indicated percentile, decile, or quartile. The test scores of 32 students are listed below. Find P46. 32 37 41 44 46 48 53 55 56 57 59 63 65 66 68 69 70 71 74 74 75 77 78 79 80 82 83 86 89 92 95 99

Q: If two events are mutually exclusive, why is P(A and B) = 0? Choose the correct answer below. O A. P...

A: Here We have  Mutually Exclusive Events: The Events which do not occur at same time. i.e they do not...

Q: A restaurant offers four sizes of pizza, two types of crust, and eight toppings. How many combinatio...

A: GivenA restaurant offersNo.of pizza sizes=4No.of crust ypes=2No.of toppings=8

Q: 12. The following table gives the quantity of cement in thousands of tonnes mamuferctured each year ...

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Q: At the end of a product's lifetime, the time until failure is modeled using an exponential distribut...

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Q: A sample of 60 obese adults was put on a low carbohydrate diet for a year. The average weight loss w...

A: Given: Mean = 11 Standard deviation = 9 The one tailed critical value for 99% confidence level is 2....

Q: height in the male population is normally distributed with a mean height of 5–11 (71 in.) and a stan...

A: Here is given that mean is 71 inches and standard deviation is 4 inches. 6 ft is equal to 72 inches.

Q: particular method of analysis in a research study depends on: A. Research question B. Study design ...

A: Question is : In a research study, any particular method depends on. 

Q: Eleven sales executive trainees are assigned selling jobs right after their recruitment. After a for...

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Q: You take an exam that contains 20 multiple-choice questions. Each question has 4 possible options. Y...

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Q: 13 The data below represent the amount of grams of carbohydrates in a serving of breakfast cereal. 1...

A: Boxplot: Step-by-step procedure to obtain the Box plot using Minitab software is as follows: Choose...

Q: Determine whether the graph shown could represent a variable with a normal distribution. Explain you...

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Q: It is thought that 63.7% of the student body owns a school sweatshirt. A student reports that from a...

A: Given :  It is thought that 63.7% of the student body owns a school sweatshirt. A student reports th...

Q: 5. Let Z ~ N(0, 1). Find z such that P(-z < Z < z) = 0.85

A: Given that  Z~Normal(0,1) Z follows standard normal distribution with mean zero and variance one  P(...

Q: X - Bill ($) 33.46 50.68 87.92 98.84 63.60 107.34 Y- Tip ($) 5.50 5.00 8.08 17.00 12.00 16.00 • What...

A: For the given data b1 = ? Predicted value = ? Sxx = ? F =? Coefficient of determination = ?

Q: ssume that the helium porosity (in percentage) of coal samples taken from any particular seam is nor...

A: Given that  The data is normally distributed. Standard deviation (σ) = 0.78 Confidence level (c) = 9...

Q: . A jury of 12 people is chosen for a trial. The defense attorney claims it must have been chosen in...

A: Givensample size(n)=12p=0.50Let "x" be the jury would have femalesx~Binomial(n=12,p=0.50)P(X=x)=(nx)...

Q: 13 The data below represent the amount of grams of carbohydrates in a serving of breakfast cereal. 1...

A: Given : Data 11 15 23 29 29 22 21 20 15 25 17

Q: Which of the following is considered evidence you can use for construct validity? examining changes...

A: Correct option is all of the above.

Q: Using a confidence level of 99%, estimate the proportion of all spectators that travelled to the are...

A: It is given that Sample size n = 400 Number of spectators that travelled to the arena by car, X = 35...

Q: Campus athletics is interested in the proportion of registered students living on campus who play ba...

A: We are given that 95% confidence interval is correctly calculated from the given data as (0.12, 0.18...

Q: A professor believes that students who smoke cigarettes tend to have lower grades. He collects data ...

A: Introduction: It is required to identify what the study was based on.

Q: Let X represent the amount of gasoline (gallons) purchased by a randomly selected customer at a gas ...

A: Here, µ= 11.5, σ= 4. Thus, X~ N (11.5, 4). The sample size is 50.  

Q: Find the indicated probability by using the complementation rule. Based on meteorological records, ...

A: Given that : Based on meteorological records, the probability that it will snow in a certain town on...

Q: QUESTION 5 Ten samples of an oxide of nominally the same mass are heated in an oxygen-rich atmospher...

A: Given Information: Consider the provided data: Mass gain (mg) 9.7 11.4 10.3 10.9 10.5 ...

Q: 7. Find the class intervals if the arithmetic mean of the following distrihution is 33 and smed mean...

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Q: Suppose the data represent the inches of rainfall in April for a certain city over the course of 20 ...

A: GivenQ1=2.020Q2=3.280Q3=4.640

Q: 1. An analyst got the following values for the determination of NaCl in given water sample (in ppm):...

A: Concentration of all the values around the central value of the given data is known as measures of c...

Q: The speeds of cars traveling on UK motorways are normally distributed with mean 96 kilometers per ho...

A: We have given that.   X~N( μ , ?^2 )   μ =96 , ? = 10   Z-score =( x - μ )/?

Q: A market has both an express checkout line and a super express checkout line. Let X, denote the numb...

A: It is given that the variable X1 denotes the number of customers in line at the express checkout at ...

Q: Identify the sample space of the probability experiment and determine the number of outcomes in the ...

A: We have given that,  The sample space of the probability experiment and determine the number of outc...

Q: We wish to determine the proportion of small- to medium-sized streams in eastern North Carolina whic...

A: Given that  n=259  , X=134 Parameter=p=X/n

Q: For the following determine if it quantitative or qualitative. If it is quantitative, determine whet...

A: The data is said to be quantitaive if it can be measured numerically. Quantitative data is said to b...

Q: Giving a test to a group of students, the grades and gender are summarized below   A B C Total Mal...

A: Given that  Contingency table    A B C Total Male 14 11 17 42 Female 8 4 15 27 Total 22 15 ...

Q: Find the indicated area under the standard normal curve. To the right of z =0.97 Click here to view ...

A: Note: This probability value calculated from standard normal distribution table.

Q: I roll a fair die repeatedly until a number larger than 4 is observed. If N is the total number of t...

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Q: Of 1000 randomly selected cases of lung cancer, 823 resulted in death within 10 years. (a) Calculate...

A: Given,n=1000x=823sample proportion(p^)=xnp^=8231000=0.8231-p^=1-0.823=0.177α=1-0.95=0.05α2=0.025Z0.0...

Q: Find the probability that (a) Your friend will have to wait more than 10 minutes. (b) You will have ...

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Q: Next question Use the given qualitative data to construct the relative frequency distribution. The 2...

A: Given that  Frequency distribution table  Category  Frequency  Male survivor 276 Male who die...

Q: Please calculate using formulas in simplest forms - show work   You invest $500,000. The expected ...

A: Given Information:     Value of the portfolio(Vp)=500,000Expected return (Rp)=0.12Standard deviation...

Q: Table 3 shows the number of lung cancer deaths per daily number of cigarettes smoked at the time of ...

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Q: 14. 1f 10 men, among whom are A and B, stand in a row, what is the probability that there will be ex...

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Q: Isabel Briggs Myers was a pioneer in the study of personality types. The personality types are broad...

A: Given that  Number of Similar Preferences Number of Married Couples All fourThreeTwoOneNone 331...

Q: Question 10 Express the confidence interval 491 < µ < 732.4 in the form of z + ME, + ME = Question H...

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Q: Can we say that age of the bus is equated with the bus annual     maintenance cost? Discuss your ans...

A: The regression equation has two coefficient of regression are slope and intercept value. There are t...

Q: • Question / A small regional carrier accepted 14 reservations for a particular flight with 12 seats...

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Q: McDonald’s announced that it would use a new cooking oil for its french fries that would decrease su...

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Q: The number of emails that I get in a weekday can be modeled by a Poisson distribution with an averag...

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Q: Aptitude Tests Twenty-eight applicants interested in working in community services took an examinati...

A: We have given that  Stem and leaf plot.  First convert into data set then find sample standard devia...

Q: A researcher has devised a new questionnaire that attempts to measure a person's stress level. In do...

A: B Double-blinding

Q: You would like to check if the average wage of Danish men and wome the same. In order to do that, yo...

A: Given: Sample Size n1 =100 n2 =50 Significance Level α =0.05