Let x be the average number of employees in a group health insurance plan, and let y be the average administrative cost as a percentage of claims. Suppose a random sample of employees gave the following information. Xx 2 8 14 32 73 y 50 45 35 28 16 Would you say the correlation is low, moderate, or strong? Positive or negative? If necessary, draw a scatter diagram of the given data. O strong and negative O moderate and positive O strong and positive O low and negative

Q: P(Z>1.75) =

A: Let , Z is a standard normal distribution with mean 0 and var. 1 Then Z~N(0,1) Given that  P(Z >…

Q: What is the sample proportion

A: Claim: More than half of the population believes that passwords should be replaced with biometric…

Q: Five basketball player were invited to an experiment. This experiment wanted to know if any…

A: Given Information: Consider the given dataset: Before Beer After Beer 4 8 6 12 6 10 7 13…

Q: 17. The average household size in a certain region several years ago was 3.14 persons. A sociologist…

A:

Q: The table below shows the age and the height for each of 7 trees. Create a scatter plot for the…

A:

Q: You measure 24 turtles' weights, and find they have a mean weight of 34 ounces. Assume the…

A:

Q: The agent tests Ho: P1-H2=0, Ha: H₁-H₂ < 0, where μ₁ = the true mean selling price of all comparable…

A: The provided information is Ho:µ1-µ2=0Ha:µ1-µ2&lt;0The test statistics is t=-1.35α=0.10The p-value…

Q: A major car dealership has several stores in a big city. The owner wants to determine if there is a…

A: Given that  For Stores A  Sample size (n1)=55 Number of sales (X1)=30 For Stores B  Sample size…

Q: Ahmed owns a gas station. The cars arrive at the gas station according to Uniform distribution with…

A:

Q: (b) (i) Create boxplots for these two data sets (either drawn by hand or as a printout from…

A: Box plot is the plot which used to understand the outlier and the skewness of the data set. This…

Q: Consider the continuous random variable x with probability density function 15x²e-5xx3 for x ≥ 0…

A: For the above problem, the required R-code is given as below: ##First define the pdf given in the…

Q: The marginal distribution functions are given by Fxy (x,00)=Fx (x) and Fy (0o, y) = Fy(y) X,Y X,Y

A:

Q: -1. Refer to the variable winning margin. What is the level of measurement? (Click to select) C-2.…

A: Level of measurement are used to denote the variable. There are four types of measurements, they are…

Q: The following data set shows the weekly advertising expenditure and sales of 12 retail merchants…

A: To create scatter plot we represent independent variable cost(x) on x axis and dependent variable…

Q: cenario and the analysis. It run the appropriate analyses thro OVI and report your findings in APA…

A: Research as a scientific and systematic approach for pertinent information on a specific domain…

Q: Tp P 9 C N-n 1-N

A: We have to prove that

Q: he Bangsamoro Development Authority (BDA) conducted a survey regarding the perceived erformance of…

A: From the given information we conduct paired t test.

Q: QUESTION 3 Bob buys a property that costs $1,000,000. The property is projected to generate NOI as…

A:

Q: In a particular road intersection, it has been observed that (2/3) of vehicles turn to the right…

A: Given : In a particular road intersection ; Observed proportion of vehicles turn to the right…

Q: From a group of 40 people( 30 women and 10 men) A jury of 12 people is selected. In how many…

A:

Q: t*

A: Given Confidence interval for population mean=97% Sample size n=17

Q: Cassie is a gym teacher who develops a training regimen to promote physical health among elementary…

A: Given Information: Mean μ=75 Standard deviation σ=10 X = 82

Q: Find out the skew and skewness of a uniform probability density function for a random variable X.

A:

Q: In the United States, telephone numbers consist of a three digit area code followed by a seven digit…

A: Given :  Telephone no's consist of a 3 digit area code followed by a 7 digit local no. Area codes…

Q: Ahmed owans a gas station. The cars arrive at the gas station according to uniform distribution with…

A:

Q: Use descriptions of shape, center, and spread to compare the distribution of calories in adult and…

A: The histogram and dot plot are the graphical methods. Which are used to describe the shape, center…

Q: Find the mean and variance of Z.

A: Given, E(Xi)=μ             for i=1,2,3......n V(Xi)=σ2         for i=1,2,3...n Z=X-μσn where…

Q: Which statement accurately describes the proportions in the tails of a normal distribution?   Group…

A: The objective is to find out which option is correct from the given options for the proportions in…

Q: 1. A school teacher suspects the claim that the mean number of students that use library materials…

A: The provided information is x¯=458s=9n=100α=0.05The degrees of freedom is df=n-1=100-1=99The…

Q: An online food delivery service in metro manila claims that the delivery time is not greater than 30…

A: Given :   Population SD (σ) = 3 Sample size (n) = 31 Sample mean (X¯) = 40 Level of significance (α)…

Q: Find the probability P (0<x<) for f(x) = x². cos x³ 0.235 O 0.304 O 0.908 O 0.413 O 0.678 O 0.112 O…

A: Given that

Q: a. Find a 95% confidence interval for the population mean annual number of reported larceny cases in…

A: Given: Sample size, n=45 Sample mean,x¯=140Population sd, σ=43

Q: 3) A production manager claims that his two machines will fail due to continuous operation and will…

A: Given For machine A, the sample proportion is  pA=50300=0.167 For machine B, the sample proportion…

Q: A basketball player attempts 20 shots from the field during a game. This player generally hits about…

A: Let there are n trials and each having two outcomes - Success and Failure. The trials are…

Q: Consider the CI: 7 < μ < 17. Is 13 a plausible value for the true mean? Explain.

A: Given ; CI: 7 &lt; μ &lt; 17

Q: 2. A machine that fills bottles with water is calibrated to fill each bottle with 11.9 ounces. The…

A: Given data : sample size, n =80 sample mean, x̄ = 12 sample standard deviation,s= 2.1…

Q: Vp Pq

A: We need to prove that: σp =pqn

Q: a. b. Let X have a gamma distribution with a=2 and 3-2. What is P(X>2)? Let X have a log-normal…

A:

Q: 2. Mr. Santiago's company sells bottled coconut juice. He claims that a bottle contains 500 ml of…

A: Given the 6 random samples of 10 bottles as Sample 1 Sample 2 Sample 3 Sample 4 Sample 5 Sample 6…

Q: Effects of drug and alcohol on the nervous system have been the subject of significant research. A…

A: The provided information is  x¯=1.05s=0.5n=100α=0.05 The degrees of freedom is  df=n-1=100-1=99…

Q: The Proportion of during the Month whith Stationary supply Sold beta random Variable a d = 4 and B=2…

A: Given: X~Beta(α=4,β=2)   Formula Used: The probability density function of beta distribution is…

Q: Find the Range, Variance, and Standard Deviation for the given samples. 1. 3, 5, 2, 3,9 2. 12, 11,…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: How do I find the proportion of a histogram

A: Histogram is the best visualization technique for continuous quantitative data.

Q: * In a particular road intersection, it has been observed that (2/3) of vehicles turn to the right…

A: Given: Sample size, n=10 Probability that, vehicle turns to the right direction, q=2/3

Q: III. Directions: Solve the following problems. Show your complete solution. Round off your answer…

A:

Q: Suppose that the weight of seedless watermelons is normally distributed with mean 6.9 kg. and…

A: The mean is 6.9 and the standard deviation is 1.2.

Q: statistics professor reported that the mean score in a recent quiz is 72 and the standard deviation…

A: Solution

Q: A taxi firm has two cars which it hires out day by day. The number of demands for a car on each day…

A:

Q: board has a small center circle called the bull's-eye and 20 pie-shaped regions numbered from 1 to…

A:

Q: In a town, out of 200 families with 4 children each, find the percentage of families having (i) 2…

A: