A total of 7 different gifts are to be distributed among 10 children. How many distinct results are possible if no child is to receive more than one gift?

Q: with the total correlation between x and y = -.6 What's nature of total correlation between x and…

A: Given that: Corr(x,y)=-0.5Corr(z1,x)=0.5Corr(z2,x)=0.5Corr(z2,y)=0.2 We need to find the value of…

Q: To estimate the mean score on a departmental exam, a sample of 40 student departmental exams is…

A: The question is about parametric Inference Introduction : Variable : It is a quantity that can be…

Q: write a statistical summary for participants' demographic and health detailes that include important…

A: It is given that a data table contains demographic information and health indicators for a group of…

Q: What Factors Influence Box Office Performance in the Film Industry?   Sample: 30   Dependent…

A: In this problem we are required to analyze the factors that influence Box Office Performance in the…

Q: in a certain large state university, older students get to choose their classes before younger…

A: The null and alternative hypothesis are H0 : p = 0.32H1 : p  > 0.32 p̂ = 0.36  z = 1.212

Q: A USA based cable broadband company wants to compare the average customer satisfaction scores…

A: Standard Deviation (s) = 0.52 Sample Size (n) = 355 Sample Mean (x̄) = 3.24

Q: Based on the table below, answer questions a to e Class Actual Middle Class point (x) Limits 95-99…

A: Please note that as per our guidelines if multiple sub-parts are there in a question we can answer…

Q: Please no written by hand There are 100 members in the U.S. Senate. Consider the following two…

A: In order to select r no. of subjects from available n no. of subjects, where the order of the…

Q: Define: class boundary Class boundary specifies the span of data values that fall within a class.…

A: Class boundaries are used to separate groups (or class) of a data set. For second class, it is the…

Q: For twenty holes drilled using this machine, determine, correct to the nearest whole number, how…

A: The mean diameter of holes produced by a drilling machine bit is 4.05 mm and the standard deviation…

Q: (d) Compute the relative class frequency fin for each class in Table 2-9 and complete the partial…

A: In statistics, frequency is the number of times a data value occurs. These data values are often…

Q: 5. Losses X follow a paralogistic distribution with 0 =5000 and a = 3. An insurance coverage for X…

A: The paralogistic distribution is defined by the following probability density function (PDF):…

Q: Suppose that you are responsible for making arrangements for a business convention and that you have…

A: The given null hypothesis is H0:μA-μH≥0. The population standard deviation for the prices can be…

Q: (a) What are the largest and smallest values in Table 2-4? If we want five classes in a frequency…

A: The data is given on the length of time on Hold in minutes. Sample size (n) = 40

Q: "At a certain college, it is estimated that about 37% of the students have cars on campus, and with…

A: Suppose p is the true population proportion of students who have cars on campus.

Q: "Suppose that in the past, 33% of all adults favored capital punishment. Do we have a reason to…

A: The sampled no. of adults, n=68. The no. of sampled proportion, who favor capital punishment, x=14.…

Q: The mean life time of a electric bulb produced is 1200 hours. A new batch of sample 200 bulbs were…

A: From the provided information, Sample size (n) = 200 Population standard deviation (σ) = 120 Sample…

Q: he height of American men in feet is modeled with a normal distribution, with mean µ = 5.75 ariance…

A: Population mean μ =5.75 Population variance =0.333 Population standard deviation =0.577

Q: The height of American men in feet is modeled with a normal distribution, with mean μ = 5.75 feet…

A: Given, Height of American men in feet is normally distributed with mean(μ)= 5.75 feet and…

Q: From a population consisting of 20, 28, 32, 38, and 40, a sample of size 2 will be selected without…

A: We have given that 20,28,32,38 and 40  We have to select a sample of size 2 without replacement 5C2…

Q: I I I Step 1: Step 2: Step 3: Step 4: Step 5:

A: Need to provide the correct steps in data collection

Q: How long did real cowboys live? One answer may be found in the book The Last Cowboys by Connie…

A: In stem and leaf plot, the data is divided into two parts: Stem and leaf. It is used to observe the…

Q: test statistic and p value are incorrect. please provide correct solutions!!

A: s1=170.97 s2=118.25

Q: Assume that the data has a normal distribution and the number of observation is greater than fifty.…

A: Significance level (alpha) = 0.09 We know that,  If x is random variable from standard normal…

Q: Please do not give solution in image format thanku A marketing analyst for a chocolatier claims…

A: We have given that Population proportion (p) = 72% = 0.72 Sample size (n) = 191 Sample…

Q: Question 6: A machine fills bottles with 64 ounces of liquid. The quality-control manager determines…

A: The question is about hypo. testing Given : Popl. mean liquid fills the bottle ( μ ) = 64 ounces…

Q: Americans spend nearly $7 billion on Halloween costumes and decorations. Sample data showing the…

A: The question is about hypo. testing Given :   To find : a ) Point est. of the popl. mean b ) Value…

Q: A group of teenagers is chosen randomly and asked which of three indoor activities they preferred.…

A: Null hypothesis:   The null hypothesis defined usually that whether there is no difference in the…

Q: Find the area of the shaded region. The graph depicts the standard normal distribution of bone…

A: From the provided information, Mean (µ) = 0 Standard deviation (σ) = 1 The shaded area is to the…

Q: 2. The long-distance calls made by the employees of a company are normally distributed with a mean…

A: We have given that Mean(µ) = 6.3 Standard deviations (σ) = 2.2X ~ N (µ, σ )= N(6.3, 2.2)

Q: The median home value in lowa and Massachusetts (adjusted for inflation) are shown below. Year lowa…

A: We have given as Year Lowa Massachusetts 1950 38300 55400 2000 82500 185700

Q: 3. You are given the following data set of four students and their corresponding score in linear…

A: The question is about regression Given :   To find : A ) Determine the coeffi. that minimizes the…

Q: An article suggests that substrate concentration (mg/cm³) of influent to a reactor is normally…

A: Mean=0.30 Standard deviations=0.06

Q: Do students with higher college grade point averages (GPAs) earn more than those graduates with…

A: From the information, given that   The value of slope is 72990.5 The value of standard error of…

Q: 1. See the output of the following model, Y = a + B₁X₁ + B₂X₂ + B3X3 + ε Dependent Variable: Y,…

A: ObservationsN=569RRSS=158.9015URSS=122.3388 where RRSS and URSS are the residual sums of squares of…

Q: What are the SSbetween and MSbetween? (Round your answers to one decimal place.)

A: The data is given on the scores for three different groups. No. of groups (k) = 3 Total no. of…

Q: A researcher wants to know if the mean times (in minutes) that people watch their favorite news…

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

Q: The mean life time of a electric bulb produced is 1200 hours. A new batch of sample 200 bulbs were…

A: Population mean(μ)=1200 Sample size(n)=200 sample mean(x¯)=1175 Population standard deviation(σ)=120…

Q: (a) Use the first two digits as the stem. Then order the leaves. Provide a label that shows the…

A: The data is given on the winning scores of the conference championship games. Sample size (n)= 35

Q: Suppose you made 5 measures of your walking times and got the following values: 5.6 s,  5.9 s, 5.5…

A: 5.6 , 5.9,  5.5,  5.6,  5.8 Sample size(n)=5

Q: Directions: Given a normal distribution with u = 410 and o= 50, compute for the corresponding…

A: We have given that Mean(µ) = 410Standard deviations (σ) = 50X ~ N (µ, σ )= N(410, 50) The z-score…

Q: phones in meetings or classes. The probability is 0. (Round to four decimal places as needed.)

A: Given that adults with smartphones are randomly​ selected, 59% use them in meetings or classes. We…

Q: A student claims that professional male basketball players are taller, on average, than college male…

A: Sample size of professional basketball players (n1) = 30 Sample size of college basketball players…

Q: NOTE: If you cannot obtain the exact values listed in the question when clicking and dragging the…

A: PA=0.164PB=0.07

Q: Assume that a sample is used to estimate a population mean μ. Find the 95% confidence interval for a…

A: It is given that  Sample mean = 73.4 Sample standard deviation = 5.2 Sample size = 47 Confidence…

Q: Please no written by hand solution and no img if mean is 19 and standard deviation is 1.61 if data…

A: normal distribution μ = 19σ = 1.61P(18.5<x<19.2) = ?

Q: Find the three median x-values that would form the summary points of the median median line for the…

A: x y 1 15 3 17 6 18 7 18 9 20 15 24 16 23 22 26 23 27 28 30 33 32

Q: Assume that females have pulse rates that are normally distributed with a mean of μ=73.0 beats per…

A: From the provided information, Mean (µ) = 73.0 Standard deviation (σ) = 12.5 X~N (73.0, 12.5)

Q: Question 2: You are interested in finding a 98% confidence interval for the mean number of visits…

A: x x2 24 576 8 64 7 49 21 441 24 576 5 25 6 36 5 25 15 225 6 36 21 441 17 289…

Q: When I enter this into my TI-84 calculator, I get 8.051972641.... How does that change into…

A: Sample size (n)=25  7 in 10 automobile accidents  We have to find the probability that exactly 8…