We are given X~ M1 7016²) and P(X>79) = 0,025 then

Q: Let Y represent the profit (or loss) for a certain company X years after 1975. Based on the data…

A: From the provided information, The linear model Y = 0.39X + 6.92

Q: A grocery store manager did a study to look at the relationship between the amount of time (in…

A: Given data is as follows:   Time,x Money,y   12 24   7 13   13 58   17 41   9 38…

Q: Suppose a poll is taken that shows 293 out of 550 randomly selected users of a certain social media…

A: From the provided information, 293 out of 550 feel that the site should do more to decrease hateful…

Q: A sample of 150 married women determined that 127 are happy in their marriage. A sample of 150…

A: n1=150, n2=150 As per our guidelines I can solve only first 3 subparts. Post the remaining subparts…

Q: You wish to test the following claim (Ha) at a significance level of a Ho : μ = 71.4 Ha : μ < 71.4 =…

A: here α = 0.002  null and alternate hypothesis  H0 : μ = 71.4H1 : μ &lt; 71.4 n =113  sample mean  =…

Q: The sample mean X is to be used to estimate the mean u of a normal distribution with standard…

A: The question is about sample size estimation Given : Std. deviation of normal dist. ( σ ) = 4 inches…

Q: A record of a chess match records the chess piece used, the location of the piece and the length of…

A: The variables are: chess piece used, the location of the piece and the length of time used to make…

Q: he St. Louis Cardinals would like to improve their post season performance this year. They have…

A: Sampling plan , Data collection and using confidence intervals are discussed below

Q: a. Make a frequency distribution showing cumulative frequencies and cumulative relative frequencies.…

A: Data 80 107 88 114 95 96 87 99 96 100 99 104 112 109 103 108 112…

Q: The Kellen school district gives awards to its schools based on overall student attendance. The data…

A: Low High  Range Mean Median IQR sd School W 108 180 72 169 150 47.5 29.5 School X 112 180 68…

Q: random sample of exam scores. The sample has a mean of 488 and a standard deviation of 73. For each…

A: Given that  Sample mean=488 Standard deviation =73 Population mean μ =478

Q: iF Xn Bin (60 0.7) Find P(X=4)

A: X~Binomial(n=6 , p=0.7) then find P(X=4)=?

Q: In an amusement arcade there is a horse race with horses coloured red, yellow and green. Only one…

A: In the context of an amusement arcade horse race, where players can choose to bet either 10p or 20p…

Q: Match each scatterplot shown below with one of the four specified correlations. 0 0000 О О 000 О 00…

A: The scatterplots and correlation coefficients are given

Q: In an , the researcher interacts and influences the behavior of the subjects. In an Observational…

A: It is needed to discuss about observational study and experiment.

Q: 15 10 5 -5 -10 -15 -20 65 70 75 80 85 Other 00 90 95 00 05 10 15 0 20

A: The graph of the data is given.

Q: For a linear regression problem, The actual observed y-value when x = 2 is y = 6. The least squares…

A: The actual observed y-value when x = 2 is y = 6. The least squares line is y=2x+1. The predicted…

Q: When it is operating properly, a chemical plant has a daily production rate that is normally…

A: From the above given data the following solution is provided below

Q: 2. A researcher conducts a study examining the effectiveness of a group exercise program at an…

A: Control Exercise n1=10 n2=15 x¯1=12 x¯2=15.5 s1=120.5 s2=190.0

Q: A study was done to look at the relationship between number of vacation days employees take each…

A: As per the Bartleby guidelines, only three subparts can be answered. Kindly, resubmit with note for…

Q: A survey was looking at how attractive was Birmingham as a place to visit. Prior to the Commonwealth…

A:

Q: ample of 30 students. The scores are given. Complete parts (a) through (c) below. 51 48 31 36 36 57…

A: 36 35 26 58 51 18 44 43 56 36 29 44 41 48 32 24 51 36 46 57 43 53 39 31 48 59 27 44 57 16 Sample…

Q: Find the z-score for which 99% of the distribution's area lies between - z and z

A: Answer:- We use the Excel function [=NORM.S.INV(Area) ] to find the required Z-score.

Q: Student Chris Mary Paul Juan Marcelo Table #1 1. SP 2.2 3. ΣΧ 4. 5. SSX 6. ΣΥ 7. SSY a 8. b Number…

A: There are 10 sub parts out of which I have solved 8 parts

Q: The local amusement park was interested in the average wait time at their most popular roller…

A: Answer:- Given data in ascending order,  45, 99, 108, 116, 118, 118, 118, 119, 120, 121, 124, 130,…

Q: The Survey of Study Habits and Attitudes (SSHA) is a psychological test that measures students'…

A: It is needed to state the hypotheses.

Q: A group of fairy-tale characters were surveyed about their pet preferences. The results of the…

A: The question is about frequency table Given :   To find : Convert given table into relative freq.…

Q: Given the following outcomes from a random sample of 15 people's weekly expenditure on fruit: 16;…

A: Given data in assending order,       2, 3, 6, 7, 7, 7, 7, 8, 8, 10, 10, 12, 13, 14, 16 Using formula…

Q: An educator claims that the average salary of substitute teachers in schools in a certain province,…

A: An educator has established a claim regarding the average salary of teachers in a certain province.…

Q: Please no written by hand solution and no img Statistics from the Port Authority of New York and…

A: Sample size, n=12 Probability of success, p=0.87

Q: Scenario: Is there a relationship between mood (X) and outside temperature? A researcher quantified…

A: A researcher quantified mood (X) by having participants rate themselves each day as being in a…

Q: 1. There are two random variable X and Y which have a joint probability density (mass) function as…

A: As per "Bartleby guidelines" We solving first three parts

Q: Dr. Palmer found a small treatment effect. What can she do in improve her changes of finding a…

A: To improve her chances of finding a statistically significant result, Dr. Palmer has to follow some…

Q: a. As the data are graphed, which is the independent and which the dependent variable? The…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Use the given confidence interval to find the margin of error and the sample mean. (6.19,8.33) The…

A: Confidence interval (C.I)=(6.19 , 8.33)

Q: 2) The volume, Lliters of emulsion Paint in a Plastic tub may be assumed to be normally distributed…

A: X~N(10.25 ,σ) and P(X&gt;10)=98% Find value of σ

Q: Please no written by hand The driver of a diesel-powered automobile decided to test the quality of…

A:

Q: How much of the variation in cost is not explained by production?

A: The Simple linear regression output is given. r=0.9751R2=0.9513n=30

Q: The peak shopping time at a pet store is between 8-11:00 am on Saturday mornings. Management at the…

A: The peak shopping time at a pet store is between 8-11:00 am on Saturday mornings. Management at the…

Q: discuss their basic time-series properties in relation to their main components

A: In a time series, the characteristics and properties of the time series data are highlighted by the…

Q: In a random sample of four mobile devices, the mean repair cost was $85.00 and the standard…

A: It is given that sample mean is 85 and the standard deviation is 13.

Q: Based on the data shown below, calculate the correlation coefficient (to three decimal places). This…

A: The value of correlation is obtained below as follows: From the information, given that Thus,

Q: The sample mean is. (Type an integer or a decimal.) The margin of error is. (Type an integer or a…

A: Here confidence interval for population mean is (6.37, 10.89)

Q: The number of credits being taken by a sample of 13 full-time college students are listed below.…

A: From the provided information, Number of observation (n) = 13 The data values are as follow: 9, 9,…

Q: Baseball Team Batting Averages Team batting averages for major league baseball in a certain year are…

A: The sd and variance are the measures of dispersion which shows how spread the data is.

Q: Let X be a random variable such that P(X= c+kh) = π(a) (poisson distribution), where c s a real and…

A: In this problem, we are given a random variable X that follows a Poisson distribution with parameter…

Q: 5. Find the followings: mean, mode, median and midrange. 53, 52, 75, 62, 68, 58, 51, 51

A: 53, 52, 75, 62, 68, 58, 51, 51 Sample size n =8 Arrange the data set in ascending order are.…

Q: 6. Find the range of spread and the population standard deviation of the following data: 3, 0, 4, 1,…

A: Given raw scores data can be expressed in a frequency table as shown below: xi fi 0 1 1 4 2…

Q: X is the Binomial Random Variable which counts the number of students who passed an exam. If the…

A: As per our guidelines we are supposed to answer only one question per post so i am solving first…

Q: Indicate the level of measurement for the data set described. Weights of newborn babies a. interval…

A: We need to indicate the scale of measurement used for the weight of newborn babies.