I need help

Q: If a seed is planted, it has a 90% chance of growing into a healthy plant. If 12 seeds are planted,…

A: Given that if a seed is planted, the chance of growing into a healthy plant is 90%.

Q: 34% of U.S. adults say they are more likely to make purchases during a sales tax holiday. You…

A: Probability of U.S adults say they are mlre likely to make purchases during a sales tax…

Q: untreated seeds were recorded. Suppose the dilution was not effective and only four plants emerged.…

A: Total plants = 4 + 11 = 15Treated seeds = 4Untreated seeds = 11

Q: genetic mutation. 800 people are randomly selected. Find the mean for the number of people with the…

A: It is given that P( success ), p = 9% = 0.09Sample size, n = 800

Q: a) The mean is ___ and the standard deviation is: b) The probability that the sample mean IQ is less…

A: Note: According to bartelby question answer guidelines an expert can solve only three subpart of one…

Q: consider the hypotheses shown below. Given that x=111, 0=25, n=43, a=0.05, complete parts a and b.…

A: =111=25n=43and

Q: Exercise 5.11 provides a 95% confidence interval for the mean waiting time at an emergency room (ER)…

A: The given data is as follows:Confidence level, The confidence interval is (128 minutes, 147…

Q: 5) Recognize if a problem represents a binomial random variable. (Circle YES or NO) a) A certain bus…

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

Q: The lifespan X (years) of a species of pig has pdf f (x) = 3x2e−x^3 , 0 < x < ∞. Does X possess the…

A: To determine whether the random variable X, representing the lifespan of a species of pig, possesses…

Q: Show work if possible

A: Yes we show that the how many possible distinct arrrangements for the word 'Mississippi', by using…

Q: According to a report done by S & J Power, the mean lifetime of the light bulbs it manufactures is…

A: n=27,x¯=48,σ=4,μ=47Note: According to bartelby question answer guidelines an expert can solve only…

Q: (If necessary, consult a list of formulas.) (a) The 40th percentile: (b) The 75th percentile: mg dL…

A: It is given that the data set196,228,244,198,242,257,252,232,213,240,222,235,230,225,211,203,206

Q: A product has a target length of 124 cm, and the process has a standard value for the standard…

A: Want to calculate the upper limit for the x-bar standard control chart.

Q: Is smoking during pregnancy associated with premature births? To investigate this question,…

A: We have given that Sample size (n) = 110Sample mean () = 260Standard deviations () = 16Confidence…

Q: In the figure below, to calculate the line that best fits through the points, one would use a Y…

A: We have given a diagram of a scatterplot.Suppose is the independent variable, and…

Q: Find the variance and standard deviation for the population use the definitional formula:

A: Given that,The dataset contains 6 observations,Population size To find the variance and sd of the…

Q: According to a leasing firm's reports, the mean number of miles driven annually in its leased cars…

A: Mean()=12107standard deviation()=2640sample size(n)=90significance level()=0.01

Q: The negative effects of ambient air pollution on children's lung function has been well established,…

A: Want to calculate  a 95% confidence interval for the meanThe confidence interval for the mean is…

Q: A residual plot from a simple linear regression analysis is shown to the right. Use the plot to…

A: We are given the residual plot from a simple linear regression analysis. The objective is to…

Q: Eat your spinach: Six measurements were made of mineral content (in percent) of spinach. It is…

A: 19.3,20.7,20.5,21.5,20.9,19.3

Q: LO6 2. A set of n = 5 pairs of X and Y scores produces a Pearson correlation of r = 0.10. The X…

A: r(X,Y)=0.10

Q: Baby weights: Following are weights, in pounds, of  11  two–month–old baby girls. It is reasonable…

A: The data shows the weights, in pounds, of 11 two–month–old baby girls.

Q: 7.9. If X has a hypergeometric distribution with M = 3, N = 6, and n = 2, find the probability…

A: Let  has a hypergeometric distribution.And its parameters are:, , and

Q: Find the probability that a person flipping a coin gets (a) the seventh head on the eleventh flip,…

A: Given data isWe have to find probability forseventh head on the eleventh flipfirst head on third…

Q: Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and those scores…

A: Mean = 100, Standard deviation = 15.P(X &gt; x) = 0.3694

Q: A personnel director interviewing 11 senior engineers for four job openings has scheduled six…

A: M=4N=11n=6

Q: Construct a  90%  confidence interval for the mean number of letter sounds identified in one minute.…

A: It is given that Sample mean = 34.09Sample std. deviation = 23.44Sample size = 141Confidence level =…

Q: In the table below, you can see the probability distribution of profits, for construction projects,…

A: The probability distribution of returns in three scenarios is shown below:…

Q: This problem does not require the use of data mining software and focuses on knowledge of concepts…

A: Average Silhouette values for different values of k.kAverage…

Q: A factory manager collected data on the number of equipment breakdowns per day. From those​ data,…

A: w012P(W=w)0.650.200.015

Q: Suppose that you gather more data and use ordinary least squares (OLS) to estimate the linear…

A: The question is about regression.Introduction :Suppose,  is a least square regression…

Q: A recent study measured owners' satisfaction with the design, content, layout, and performance of…

A: The given information is about the satisfaction ratings of the different cars. The number of…

Q: A space agency compiles data on​ space-shuttle launches and publishes them on its website. The…

A: Note: As per our guidelines we are supposed to answer only 3 sub-parts of any questions so I am…

Q: 41% of employees judge their peers by the cleanliness of their workspaces. You randomly select 8…

A: The question is about discrete probability distribution.Given :Population proportion of employees…

Q: Assume that P(A) = 0.7 and P(B) = 0.2. If A and B are independent, find P(A and B).

A: Given:P(A) = 0.7P(B) = 0.2The events A and B are independent, the probability of both events A and B…

Q: Given X~N( x̄, σ2), P(X > 80) = 0.1, P(X < 72) = 0.2, find x̄ and σ2 .

A: For the distribution of the variable X, it is given that the distribution is normal with parameters…

Q: Websites for small businesses. Visual Objects, a portfolio website, surveyed 529 small businesses…

A: Total number of small businesses involved in the study, n = 529Number of small businesses that have…

Q: 9.6 In a certain population the random variable Y has variance equal to 490. Two independent random…

A: Let's denote the first sample mean as and the second sample mean as , and the samples are…

Q: Suppose Diane and Jack are each attempting to use a simulation to describe the sampling distribution…

A: The mean of the population which is left skewed is 70 and standard deviation is 5. Jack has taken…

Q: 1. If X ~ N(µ, σ²) and you have observed the data X₁, X2, X3, . Xn ... 9 Find the MLE for o². Show…

A: X~N(μ,σ2)

Q: Find the variance and standard deviation for the sample Σ (x - M) 2 use the definitional formula: SS…

A: The sample data set is,X573612The number of observations,

Q: An automobile manufacturer claims that its van has a 36.7 miles/gallon (MPG) rating. An independent…

A: The question is about hypothesis testing.Given :Population mean MPG rating of a van (  ) =…

Q: The standard score for a two-tailed test is 2.0. What is the P-value? (Don't Hand writing in…

A: Given:The standard score for a two-tailed test is 2.0.

Q: I had experts in the probability and statistics section of bartleby try to help me with parts (a),…

A: YearConcentration20191.4920223.0520202.5320212.3720193.4920192.6220232.820233.6920203.0420221.622021…

Q: What is the expectation of X?

A: An urn holds 4 red, 3 blue, and 2 green marbles.Three marbles are selected, altogether, without…

Q: A spinning wheel has 10 different dollar amounts on it ($1, $2, etc. up through $10). There is a .10…

A: Number of different dollar amounts on the spinning wheel = 10probability of landing on any one of…

Q: At a particular point in time, the stock market took big swings up and down. A survey of 1,004 adult…

A: A survey of 1,004 adults investors asked how often they tracked their portfolio.

Q: Results of Regressions of Average Hourly Earnings on Gender and Education Binary Variables and Other…

A: Assuming 0.05 significance.The coefficients of female are -2.63, -2.96 and -2.96 in model 1, 2 and…

Q: The table shows the earnings (in thousands of dollars) of a random sample of 11 people with…

A: For people with bachelor's degrees,Sample size, For people with associate's degrees, Sample size,…

Q: For each of the variables described below, indicate whether it is a quantitative or a categorical…

A: