How many students owned only a bird?                             b)How many students owned no pets?      c)How many students owned exactly two pets?

Q: Should an observational study or an experiment be performed to answer the research question below?…

A: Concept: In research design usually two type of study is done namely  Experimental and Observational…

Q: ontains 1000 balls: 700 green and 300 reds. A sample of 7 balls is drawn without replacement. What…

A: The total of 1000 balls; 700 are green and 300 are red. 7 balls were drawn without replacement.

Q: Exercise 1.3. A normally distributed random variable has a mean of 449: a. If a score of 325 has a…

A:

Q: Q2 Given a probability function P and a sequence of events A₁, i = 1, 2,.... Prove that if P(A₂) = 1…

A: Probability is the likelihood of an event happening. It measure by favorable number of event divided…

Q: If X is normally distributed with mean u and variance o2, it is generally described as x~ N(1,0²).…

A: If X be a normally distributed.X~N(μ,σ2)Given; X~N(2,9)So, mean(μ)=2 and standard deviation(σ)=3

Q: *2.13 Compute the mean change in cholesterol. *2.14 Compute the standard deviation of the change in…

A: by bartleby policy i can gives only 3 subparts answer at a time  From given data : n=24

Q: Assume monthly returns of 1%, -2%, 3% and 1%. What is periodic arithmetic mean, geometric mean,…

A: Given Information: Consider the given dataset: 1%, -2%, 3% and 1%

Q: Assuming that you are the actuary, help this insurance company to make policy decisions on…

A: Correlation are used to measure the association between the two numerical variable. It shows three…

Q: Use the Normal model N(100,16) describing IQ scores to answer the following. a) What percent of…

A:

Q: The following map shows the job growth rates for each state in the US. Use the map to determine how…

A: The job growth rates for each state in the US are shown by given graph with categories 7% or more,…

Q: Based on the value of r and/or the fit of the regression line, is the regression line a good…

A: correlation measures the degree of linear relationship between dependent variable and independent…

Q: G. Table 1 below shows the number of goals scored by Team Ginebra in the 20 games of the season.…

A:

Q: Question Which of the given values is a solution to the equation 8n + 10 = -24n+7? Select the…

A: The following equation has been given: 8n+10=-24n+7 We need to solve for the value of n.

Q: i) statistic, Find the conditional distribution of the likelihood function given the function of the…

A: As per bartleby guidelines we can solve only first three subparts and rest can be reposted

Q: Q2) If the following data set obey linear regression equation

A:

Q: calculate the 44th percentile of the data shown, 7,8.2,10.1,13,12.7,18,21.9,40.6,41.2,50.1

A:

Q: The following data on x = score on a measure of test anxiety and y = exam score for a sample of n =…

A:

Q: CHAPTER 5 Regression 5.42 Do artificial sweeteners cause weight gain? People who use artificial…

A: People who use artificial sweeteners a place of sugar tend to be heavier than people who use sugar.

Q: Given a Standard Normal Distribution find the value k such that: P(‐0.94 < Z < k) = 0.7363

A: Given that  P(‐0.94 &lt; Z &lt; k) = 0.7363   We know that Half area under the curve = 0.50…

Q: Water Usage The graph shows the average number of gallons of water a person uses for various…

A: given graph shows the average number of gallons of water a person uses for various activities. We…

Q: 3.17 What is the probability that at least one of the women has Alzheimer's disease? DE

A:

Q: Consider the following example survey results of 18-34 years olds in the United States, in response…

A: Given that We have to find:  Develop the joint probability table for these data and use it to…

Q: If someone uses the equation (y= -20.5893(x) + 24.3929) to predict the percentage of weeds killed…

A: The regression equation for one independent variable is,

Q: The purpose of this assignment is to know how to apply probability concepts to evaluate judges’…

A: The data of judges are given : we need to calculate the probability of reversal given an appeal for…

Q: Elongation (in percent) of steel plates treated with aluminium are random with probability density…

A: Given : f ( x ) = x210            ; 8 &lt; x &lt; 22                  0                 ; otherwise…

Q: a) What is the mean speed now? What is the new standard deviation? The new mean would be mph. The…

A:

Q: c) A research conducted by SSTA022 Class representative at the University of Limpopo indicates that…

A: Solution

Q: Q1) b) if (n+1)P3=nP4:, so the value of :n is (n + 1)P3 = nP4 3 O 4 5 сл none of all above O

A: It is given that the problem related to the permutation. Here, need to find out the value of n when…

Q: Which of these statements correctly describe examples of qualitative and quantitative data? Select…

A: Solution A qualitative data depend upon on the quality or attributes and cannot measured…

Q: b) Let X to be a random sample from a distribution with a probability density function given by f(x;…

A: Given that We have to find a.. Level of significance b..power of test

Q: t Variable Label N X y Mean Std Dev Minimum Maximum 'speed' 19 39.7368421 15.7650884 15.0000000…

A: Given information: Summary statistics of the data are given. Sample size (N)=19Level of significance…

Q: What is the probability that it has 6 green and 1 red balls?

A: It is given that  Green balls = 700 Red balls = 300 Total balls = 1000

Q: THE MANAGER OF A SERVICE STATION IS IN THE PROCESS OF ANALYZING THE NUMBER OF TIMES CAR OWNERS…

A: For the given data perform t test for one population mean

Q: Given a the normally distributed variable X with mean = 15 and standard deviation = 2.5, find:…

A: Given data, normal distribution ,μ=15σ=2.5here we have to find out p(13&lt;x&lt;16) =?

Q: Draw the Venn Diagram of the sample space.

A: Given: A denotes that student enrolled in a calculus course  B denotes that student enrolled in a…

Q: identifying the sample space for a couple having four​ children, find the probability of getting…

A: It is given that the same space of three children. Here, need to find out the sample space of four…

Q: Murder Rates The data represent the murder rate per 100,000 individuals in a sample of selected…

A:

Q: 2. A heavy-equipment salesman can contact either one or two customers per day with probability 1/3…

A:

Q: Based on t and p values, which of the following is TRUE? A. The slope and the y-intercept are…

A: It is given that the output of intercept and slope in tabulation form.

Q: There are 6 identical research studies investigating percieved life satisfaction among younger…

A: Given that there are 6 identical research studies investigating perceived life satisfaction among…

Q: Suppose you have a sample of 100 customers that spend an average of $260 with standard deviation…

A:

Q: The following table represents a grouped frequency distribution of the number of hours spent on the…

A: Grouped frequency distribution: In this style, the information is organised and divided into…

Q: Given the variable X and the frequency of its occurrence below. What is the mean of the…

A: Answer:- Given the variable X and the frequency X Frequency 4 2 8 5 12 10 16 25 20 5…

Q: Based on the transition matrix and associated diagram below: This year ABCD Next Year A 0.2 0 50 B…

A: Age structured matrix models are a common tool to study the demographics of the future by tracking…

Q: Suppose small business profit per week in a city, has been, on average, $35,000 per week over the…

A: Population mean μ=35000, sample size=n=25, sample mean x̄=38600, sample standard deviations s=4600…

Q: Q5) a) A number of two-digit is randomly selected. Thus, the probability that this :number be one of…

A: As per the Bartleby guildlines we have to solve first question and rest can be reposted... Given…

Q: For a sample of 49 items from a normally distributed population for which the standard deviation is…

A:

Q: A card is drawn at random from a standard deck of 52 cards. If a card is a face card, the player…

A: total number of cards in a standard deck = 52 number of face card in a standard deck = 12 A card is…

Q: Q1) for the following data, (5, 64, 41, 7, 18, 40, 95), the Harmonic Mean (H) is 14.7647 O 14.6747 O…

A: Data given 5,64,41,7,18,40,95

Q: fifty-nine percent of U.S. adults think that civil rights for black americans have improved during…

A: