Given the following stem-and-leaf plot/diagram of quiz scores. The 7th decile is 1 | 03 21 2224 3 | 123333 4 | 1156 5 3356 6 | 45 713 O A. 16 OB. 17 C. 46 D. 53

Q: Please DRAW a Venn Diagram on paper and solve the problem using the diagram. Insert a picture of…

A: given data  n(total) = 45 n(yellow stone) = 27 n(yosemite) = 23 n(both yellow stone and yosemite) =…

Q: Executives of a supermarket chain are interested in the amount of time that customers spend in the…

A: a) Suppose μ is the population mean shopping time spent by customers at the supermarket.

Q: Let X and Y be two random variables with disjoint PMF of X+Y where X and Y can take the values of 1…

A: F(xy) = (x+y)/12 F(x) = x/12 F(y) = y/12

Q: c. mean is 1 and the standard deviation is 0. O d. mean and the standard deviation can have any…

A: Given, standard normal probability distribution.

Q: ed Sites Amazon.com - Onl.. SST = Ebay hp HP- See What's Hot a. Compute SST, SSR, and SSE (to 3…

A:

Q: Fifteen randomly selected business administration students were asked to state the number of hours…

A: Given that The resulting data are 4, 5, 7, 6, 7, 8, 10, 5, 4, 11, 12, 11, 10, 8, and 7 We have to…

Q: uppose X and Y are independent random variables. If the pdf of x is xe ",x ≥ 0 and the pdf of y is…

A: Solution

Q: 21) Find the indicated z score. The graph depicts the standard normal distribution with mean 0 and…

A: We have given that The graph depicts the standard normal distribution with mean 0 and standard…

Q: 28) The probability that z lies between -1.10 and -0.36

A: Given, P(-1.10 < X < -0.36)  We will use z-standard normal distribution.

Q: ΣΧ = 28, ΣΥ = 67, ΣΧ2 = 150, ΣΥ2 = 695, ΣΧΥ = 293 and n = 7 1) The slope of the estimated regression…

A: Comment: As per the our company guidelines we are supposed to answer only three subparts. Kindly…

Q: The shape of the distribution of the time required to get an oil change at a 20-minute oil-change…

A: Given that.   X~N( μ , ?)   μ=21.3    , ?=3.1   Z-score =( x - μ )/?

Q: 14) In a survey sponsored by Coca-Cola, subjects aged 15-65 were asked what contributes most to…

A: contribute to most happiness P(x) family 0.77 friends 0.15 work/study 0.08 leisure 0.08…

Q: Question 1    A pediatric nurse is researching weight gain in premature babies.   Previous…

A: claim : μ > 150n = 40x¯ = 160σ =  22.3

Q: For data description from stata, what kind of information is needed for the following, give an…

A: t-test: A hypothesis test for comparing two independent population means using the means of two…

Q: Using a standard normal distribution, find the following probabilities. Round your answers to three…

A:

Q: The overhead reach distances of adult females are normally distributed with a mean of 197.5 cm…

A: Given n=20, population mean μ=197.5, sd=8.3

Q: A genetics experiment involves a population of fruit flies consisting of 3 males named Alfonso,…

A: Introduction: Let us indicate the fruit flies by the first letters of their names, so that Alfonso…

Q: For each of the following hypotheses, identify which statistical test we could run in order to…

A: As per our guidelines, I can solve only first 3 subparts. Kindly post the remaining subparts again…

Q: 12. Suppose that annual precipitation is normally distributed, with mean 50 inches, and standard…

A: given data,normal distributionμ=50σ=12we have to find out the 65th percentile for given data.

Q: 31) A bank's loan officer rates applicants for credit. The ratings are normally distributed with a…

A: Given that, mean = 200 and standard  Deviation = 50. u= 200 and s.d.= 50   Z-score = (X-u)/s.d.

Q: A sales representative for a publishing company recorded the following numbers of client contacts…

A: We arrange the data in ascending order so it would be easy to count the frequency. Lower class…

Q: QUESTION 16 A simple random sample of 100 observations was taken from a large population. The sample…

A: given data  n = 100 x¯ = 50s = 5find standard error of mean(σx¯) = ?

Q: 10. The null and alternative hypotheses For each pair of hypotheses that follows, decide whether H₀…

A: Given Hypothesis 1 H₀: M = 145   2 H₀: μ = 19     H₁: M ≠ 145        H₁: μ ≠ 19…

Q: Brittany, Katy and Miley are graduating and are no longer going to be roommates, but they each want…

A:

Q: Solve all of them using R studio commands Suppose that X~Unifrom( −2,8) find: (a) The mean value…

A: Given that X follows Uniform(-2, 8). Here, min=-2, max=8. Mean: Standard deviation:

Q: Write the integer that represents the situation. The temperature was 24°F. It dropped so that the…

A: Given Upper =24°F and lower=0°F

Q: Suppose you are asked to toss a coin 16 times and calculate the proportion of the tosses that were…

A: A coin tossed 16 times :  For a single throw A coin has equal probability to get head and tail…

Q: A loaded die lands on each of its six sides with the following distribution. a. What is the…

A:

Q: 2) In a certain town, 22% of voters favor a given ballot measure. For groups of 21 voters, find the…

A: Given that, The number of voters is, n = 21 The probability of voters favor a given ballot measure…

Q: Consider the following problems: Suppose that the age (in years) of students at UFH, Alice is a…

A:

Q: Find the area of the shaded region. The graph depicts the standard normal distribution with mean 0…

A: given data Z~N(0,1)standard normal distributionμ = 0σ = 1

Q: Assume that X has a cumulative distribution function of e ∙e -(x-a) B positive real number. Find…

A:

Q: Every possible probability can be written in decimal form as a number between ____ and ____.  a. 0,…

A: we have to fund range of probability values possible.

Q: 65. Scholarship Examination Scores. At Western University the historical mean of scholarship…

A:

Q: write the regression formula for this in STATA

A: The regression equation formula is given as follows: wages=β0+β1education+β2workexp+β3unionmember…

Q: Let's say the population mean (µ) is 20 with a standard deviation (\sigmaσ) of 1 for a particular…

A:

Q: A random sample of 35 high-school students averaged 7.3 hours of sleep per night. Assume a…

A: Obtain the 95% confidence interval for the population mean. The 95% confidence interval for the…

Q: (r)7ute xe N N In(x) Σy - Na - Σ1n(!) i=1 0 = l=!

A:

Q: According to a recent research, 13% of people living in a city has experienced COVID-19 related…

A: 13% of people living in a city has experienced COVID-19 , N= 100  p= 0.13 q = 1-p = 0.87 ( 87 people…

Q: The test statistic of z = 0.85 is obtained when testing the claim that p > 0.2. Identify the…

A: From the provided information, The test statistic of z = 0.85 is obtained when testing the claim…

Q: Please solve b, d, and f parts.

A:

Q: In a study of the accuracy of fast food​ drive-through orders, Restaurant A had 302 accurate orders…

A: Given,x=65n=302 Confidence Level =95%

Q: The average number of moves a person makes in his or her lifetime is 12 and the standard deviation…

A: We have given that                                     Mean(µ) = 12 Standard deviations (σ) = 3.4X…

Q: Suppose X-N(5,1), find: (a) P(X < 2.5) (b) P(X ≥ 4.6) (c) P(|X| ≥ 3) (A) POLY 512)

A: Given that X~N5,1 a) P(X&lt;2.5): P(X&lt;2.5)=0.0062

Q: Suppose that blood chloride concentration (mmol/L) has a normal distribution with mean 104 and…

A: Given that: Population mean, μ=104 Population standard deviation, σ=5

Q: The owner of the west end Kwick fill gas station wishes to determine the proportion of customers who…

A: Given,n=100x=85α=1-0.95=0.05α2=0.025Z0.025=1.960

Q: A college professor claims that the entering class this year appears to be smarter than entering…

A: GivenMean(x)=117standard deviation(s)=15sample size(n)=20significance level(α)=0.05

Q: QUESTION 15 Sampling distribution of X is the a. probability distribution of the sample mean. b.…

A: we have to find sampling distribution of x¯ represents what value?

Q: If z is a standard normal variable, find the probability. 26) The probability that z is less than…

A: standard normal distribution μ = 0σ = 1Z~N(0,1)find P(Z&lt;1.13) = ?

Q: The actual scores that were measured originally and have not been transformed are called:​ Select…

A: we have to identify correct term used for the actual scores that were measured originally and have…