please explain this 7.2-8.12.5/24)= please brake this down step by step so i know how to get the answer

Q: How do i get to .5594  in step 1 it makes no sense to me

A: The standard deviation of width is 0.914 and standard deviation of height is 1.634.

Q: If var(X) = var(Y) = σ², cov(X,Y)= and 2Y-3 find the correlation between 2X+3

A:

Q: In an independent groups experiment, group A’s mean is 220 and group B’s mean is 180. The estimated…

A: given data x¯1= 220x¯2= 180σx¯1-x¯2 = 20t = ?

Q: 4:36 < LTE2 46 Find the z-score such that the area under the standard normal curve to the left is…

A:

Q: What is the difference between statistical significance and critical value?

A: A critical value is the value of the test statistic which the test statistic is defined by the upper…

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A:

Q: Use the time/tip data from the table below, which includes data from New York City taxi rides. (The…

A: Regression is the statistical technique which used to predict the value based on the another…

Q: Express the confidence interval (0.018,0.092) in the form of p-E<p<p+E. 0.018 <p < 0.092 (Type…

A:

Q: A candy factory insists that their machine produces standard 10-gram candies. However, the quality…

A: given data claim : μ≠10n = 100x¯ = 9.57s = 0.8799% confidence levelα = 1 - 0.99 = 0.01

Q: Failure to grow normally during the first year of life (perinatal growth failure) was observed in 33…

A: Confidence Interval: A confidence interval is a set of two values in which we are reasonably certain…

Q: Let X Unif(0, 2) and Y~ Bi(2,0.5). If Z is a mixture of X and Y with equal weights, graph the…

A: Given that

Q: a population of normally distributed scores,   = 230 and   = 10. Approximately what percentage of…

A: given data  normal distribution μ = 230σ = 10n = 25P(228&lt;x¯&lt;232) = ?

Q: Determine if each of the following statements is true or false, and explain why. A 95% confidence…

A: The objective is to determine which of the given statements is true or false.

Q: A marriage counselor has traditionally seen that the proportion p of all married couples for whom…

A: given data clim : p &gt; 0.76n = 215x = 171α = 0.05p^ = xn = 171215 = 0.7953

Q: The central limit theorem proposes that:       The distribution of sample means will be…

A: Introduction: It is required to identify the correct statement regarding the central limit theorem.

Q: You conducted an independent-groups experiment on two groups of laboratory rats, each containing 14…

A: GIven, You conducted an independent-group experiment on two groups of laboratory rats, each…

Q: d. Specify the null and alternative hypotheses you would use to test whether the data provide…

A: Given data: x y 1 1 4 3 3 3 2 1 5 4 6 7 0 2

Q: EXAMPLE 6.55 Find the length of the queueing system in an (M/M/1): (4/FIFO) model, if λ = 3 per hour…

A:

Q: In anticipation of an upcoming election, officials in Grand Ridge County are looking at the distance…

A: Given that, The population of all distances for voters in Grand Ridge country is approximately…

Q: How many randomly selected employers must we contact in order to create an estimate in which we are…

A:

Q: Explain Gambler’s Ruin for a project in Probability course and find some ideas of how I can proceed…

A: Given:: Gambler’s Ruin for a project in Probability course.

Q: Put these data into a 2x2 contingency table.

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: The mean coffee consumption of a population of nurses is 9 cups of coffee per week. A group of 10…

A:

Q: Determine the total area under the standard normal curve in parts (a) through (c) below. (...) (a)…

A: given data  standard normal curve Z~N(0,1) area under standard normal curve represents probability.

Q: A decade-old study found that the proportion, p, of high school seniors who believed that "getting…

A: given data, claim:p=0.70n=225x=150p^ =xn=150225=0.6667α=0.10

Q: The power of a statistical test is 1 - Probability(type II error). O True O False

A: The study is about the power of a statistical test.

Q: Understanding how the A researcher is going to perform a two-tailed hypothesis test. The test…

A: Using the standard normal table

Q: d. Present major regression summary outputs for both regression lines showing: regression…

A: GDP Inflation Unemployment 6.24 17.47 9.9 6.99 14.33 10.4 8.14 11.63 9.9 7.76 15.18 11.1…

Q: Suppose there is a claim that a certain population has a mean, μ, that is less than 6. You want to…

A: a)   The population mean is μ.

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

A:

Q: K Determine the area under the standard normal curve that lies to the right of (a) Z= -0.35, (b) Z =…

A:

Q: A travel agent is interested in the average price of a hotel room during the summer in a resort…

A: The question is about confidence interval Given : Randomly selected no. of hotels ( n ) = 20 Sample…

Q: The breaking strengths of cables produced by a certain manufacturer have historically had a mean of…

A: Given information Sample mean x̅ = 1905 pounds Population mean µ = 1900 pounds Sample size n = 90…

Q: QUESTION 15 Aircrew escape systems are powered by solid propellant. The burning rate of this…

A: Given Hypothesis Ho: μ=50  Vs  H1: μ ≠50

Q: 16. The joint p.d.f of a bivariate R.V (X,Y) is given by 4xy, 0<x<1, y < 10⁰0 otherwise f(x, y) = {…

A:

Q: Public Housing Authority in a certain community conducted a survey of 1000 families to determine the…

A: Suppose a random experiment E is repeated n times under same essential conditions and an even A,…

Q: For a normal distribution with a mean of 50 and standard deviation of 12, what is the raw score that…

A: given data normal distributionμ = 50σ = 12for z = -0.25x = ?

Q: 6. 7. With U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15), A = (2, 5, 7, 11, 13), B = $1,…

A: Method: By Using the intersection and union of the events to find the probability

Q: (,0) = 2/²/₁ If var(X) = var(Y) = σ², cov(X,Y)= and 2Y-3 find the correlation between 2X+3

A:

Q: For X₁=23, n₁ =52, X₂=38, and n₂=71, find p and q. Round your answers to 3 decimal places as needed.…

A: Given :

Q: Listed below are the overhead widths (in cm) of seals measured from photographs and the weights (in…

A: The data shows the overhead widths of seals and the weights.

Q: If the joint pdf of (X,Y) is given by ƒ(x, y) = e¯(x+y), x ≥ 0, y ≥ 0. find E(XY).

A:

Q: For an independent t test with equal variances, n1= 24, n2= 28, S1= 8, S2 = 9 Find the correct…

A: given data  n1= 24, n2= 28, S1= 8, S2 = 9 independent t test with equal variances df = ?

Q: cording to a recent survey, the probability that the driver in a fatal vehicle accident is female…

A: GIVEN DATA event A  : river 24 years old or lessevent F : driver in a fatal accident is femaleP(F) =…

Q: a sample of 950 adults, it is found that 48% are registered to vote in their state . Use a 0.05…

A: According to the given information in this question There are more than three subparts according to…

Q: Do the odds of churning increase or decrease when the customer has a two-year contract as compared…

A: Given Information: Consider the results of the coefficients and statistics table from a Logistic…

Q: R3.28. Cookies Mary Beth, Nigel, and Molly want to design an experiment to find the recipe for the…

A: Please find the solution below. Thank you.

Q: 4. Researchers were randomly assigned the participants to one out of the three intervention…

A: Given is an experiment to determine agreeableness in individuals based on different intervention…

Q: Acme Corporation manufactures light bulbs. The CEO claims that an average Acme light bulb lasts 300…

A:

Q: What's the null  and alternative hypothesis for this research question? What is the t-statistic…

A: Given data: Before After 22 20 25 19 15 10 28 12 13 11 16 8 15 10 12 9