You are conducting a study to see if the proportion of women over 40 who regularly have mamm significantly more than 83%. With H₁ p > 83% you obtain a test statistic of z = 3.108. Find th accurate to 4 decimal places. p-value =

Q: A newsletter publisher believes that less than 36%36% of their readers own a laptop. For marketing…

A: The objective of the question is to interpret the results of a hypothesis test and draw a conclusion…

Q: In a survey of opinions regarding same-sex marriage, 14% of a sample of 1005 adults from Country A…

A: From the information, given thatn1=1005=0.14n 2=1987 = 0.17.The formula of the confidence interval…

Q: There are 20 crew members at a given university. You want to calculate the probability that their…

A: The question is about sampling distribution.Given :Selected no. of crew members ( n ) = 20Population…

Q: The Jones family was one of the first to come to the U.S. They had 6 children. Assuming that the…

A: By using binomial distribution, we have,The Jones family was one of the first to come to the U.S.…

Q: an the table above be explained please? I don't quite understand.  Also, can Step 4 be expanded or…

A: The paired data set of the variables advertising expenditure and membership subscription is given.

Q: Test the claim below about the mean of the differences for a population of paired data at the level…

A: We have given that the samples are random and dependent, and the population is normally…

Q: A population has a mean μ=169 and a standard deviation σ=21. Find the mean and standard deviation…

A: Mean()=169standard deviation()=21sample size(n)=46

Q: About 9% of the population has a particular genetic mutation. 600 people are randomly selected. Find…

A: Answer n = 600p = 9% = 9/100 = 0.09We know that mean:μ  = n*p

Q: What is the value of test statistic

A: From the given output, it is clear that the JSP output was given for testing the population mean.

Q: Convert to raw-scores M = 15, s = 7 Z 1.00 0.50 0.15 -0.25 -1.30 -2.45 Blank 1: Blank 2: Blank 3;…

A: The mean is  and the standard deviation is .

Q: 3.2-2. Telephone calls arrive at a doctor's office according to a Poisson process on the average of…

A: Telephone calls arrive at a doctor's office according to a Poisson distribution , 2 calls in every 3…

Q: Ho:μ = 17.82 Η:μ > 17.82 Your sample consists of 43 subjects, with a mean of 18.4 and standard…

A: Given information:

Q: 61% of all Americans live in cities with population greater than 100,000 people. If 37 Americans are…

A: 61% of all Americans live in cities with population greater than 100,000 N = 37 P = 61% = 0.61 q = 1…

Q: A survey commissioned by the Southern Cross Healthcare Group reported that 16% of New Zealanders…

A: 1.Suppose p is the true population proportion of people, who consume five or more servings of drinks…

Q: used car dealer says that the mean price of a three-year-old sports utility vehicle is $20,000. You…

A: Given information:

Q: A city has just added 80 new female recruits to its police force. The city will provide a pension to…

A: A city has just added 80 new female recruits to its police force. A consulting actuary makes the…

Q: 1. An Educational Psychologist is interested in examining the effects of different learning…

A: An educational psychologist is interested to examine the effect of different learning technique on…

Q: Test the claim that the proportion of people who own cats is significantly different than 20% at the…

A: The given data is as follows:Significance level, Sample size,  Sample proportion,

Q: In a factory, packs of sweets are supposed to contain 1kg each. In reality, the weights are normally…

A: Let X be the weight following normal distribution .

Q: A direct mail appeal for contributions from a university’s alumni and supporters is considered to be…

A: The objective of the question is to determine if the direct mail campaign is cost effective based on…

Q: The television show September Road has been successful for many years. That show recently had a…

A: From the information, given thatLet X denotes the number of roads are tuned to September road which…

Q: Suppose that you calculated the sample size needed to estimate a population proportion within a…

A: Given that,We have calculated the sample size needed to estimate a population proportion within a…

Q: , median, mode and standard deviation for this data set.

A: 3,7,8,6,6,9,10,5,1,10,8,5,5,7Mean = [sum of the terms] / [number of the terms]Mode = Median = middle…

Q: Pinecrest Academy conducted a health and fitness survey on a random sample of its 36 high school…

A: By the given information, we haveNumber of the high school senior  who have resting heart rate of…

Q: help please

A: UpstreamDownstream5.23.24.83.45.13.753.94.93.64.83.853.94.73.64.74.153.34.64.55.23.753.94.93.84.73.7…

Q: using the discrete RV X whose CDF is given below, B = x*0.53, mathematically describe the PMF of (B)…

A: It is given that .The probability shows how likely an event occurs.

Q: Consider a finite population with five elements labeled A, B, C, D, and E. Ten possible simple…

A: Given  five finite element labeled A,B, C, D, E

Q: 61 What is the point estimate? Round to 3 decimal places. Type your answer... 62 What is the width…

A: Given,the confidence interval is. .To,find the point estimate, the width of the interval, and the…

Q: Many runners believe that listening to music while running enhances their performance. The authors…

A: There are two dependent samples which are Motivational music and No music.We have to test whether…

Q: The director of research and development is testing a new medicine. The director claims that the…

A: The objective of this question is to determine whether there is sufficient evidence to support the…

Q: The number of runs in a baseball game is measured using a(n) O interval scale. Oratio scale. O…

A: The variable being measured is the "number of runs in a baseball game."Objective:Determine the scale…

Q: Suppose the analyst constructs the simple linear regression model y = a + Bln (x) -2 - 4.5ln(x).…

A: The estimated simple linear regression is, .

Q: A hotel has 810 rooms. Tonight, you will have 72.0987654%  of your rooms occupied.  How many rooms…

A: A hotel has 810 rooms and 72.0987654% of your rooms occupied.

Q: You are told that the proportion p-hat  of those who answered "yes" to a poll about internet use is…

A: The objective of this question is to find the sample size (n) given the proportion (p-hat) and the…

Q: The one-sample t‑statistic for a test of H0:μ=42 versus H1:μ<42 based on n=15 observations has the…

A: We have given a one-sample t-test with the hypothesis for the test:Test statistic: Sample size:

Q: A newsletter publisher believes that over 62%62% of their readers own a Rolls Royce. For marketing…

A: The objective of the question is to interpret the results of a hypothesis test and draw a conclusion…

Q: A student government organization is interested in estimating the proportion of students who favor a…

A: The SRS gives all the participants an equal chance of being selected in the sample.

Q: 28 If we increase the confidence of the interval, we decrease the width of the interval. True False…

A: The statements about the confidence interval, unbiased estimator are given.

Q: Let z be a standard normal random variable with mean μ = 0 and standard deviation = 1. Use Table 3…

A: From the provided information,

Q: 2. The Assignment 1 marks for several groups have come in and the group sizes, means and standard…

A: Group No.Group sizeMeanSD11075428892312816

Q: Are Florida Lakes Acidic or Alkaline? The pH of a liquid is a measure of its acidity or alkalinity.…

A: a)The descriptive statistics for the pH values are given.

Q: If the rejection region for our test is t>0.231 and t<-0.231 and our observed value is 0.01, what is…

A: The rejection region for test is t&gt;0.231 and t&lt;-0.231Observed value=0.01

Q: O ● Standard deviation of sodium content 10 mg. Measure 3 times and the mean of these 3 measurements…

A: The standard deviation of sodium content is  mg.The measures are taken for  times.

Q: Winning team data were collected for teams in different sports, with the results given in the…

A: It is needed to test whether the home/visitor wins are independent of the sport.

Q: according to the CDF given below for a random variable Y, plot the pdf and express it mathematically…

A: the CDF of random variable Y is given below to find(a) plot the pdf and express it mathematical(b)…

Q: Find the boundaries for the middle proport μ = 500, o = 100 Make sure to enter your answer like…

A: Given data

Q: A survey of 464 US adults asked each participant to answer the question, "How far will a car travel…

A: sample size(n)= 464no. of adults given correct answer(x)= 254sample…

Q: n Internet poll asked 4272 U.S. adults about their use of smart watches and fitness trackers. A…

A: Given:

Q: 3.2-16. Cars arrive at a tollbooth at a mean rate of five cars every ten minutes according to a…

A: The provided information is as follows:The mean rate of five cars every ten minutes.

Q: Is the number of games won by a major league baseball team in a season related to the team batting…

A: The given data is as follows: TeamGames wonBatting…