Provide a brief description to the histogram below

Q: 1. A dermatologist wishes to estimate the proportion of young adults who apply sunscreen regularly b...

A: From the provided information, Margin of error = 0.03 Confidence level = 90%

Q: The density function for a random variable X is f(x). The answer should be given to 4 decimal places...

A: Given, The pdf of a random variable X is f(x)  =   2e-2xx>00elsewhere   So, X is a continuous ran...

Q: 1. For the data 1, 2, 4, 6, 8, 12, and 15, which of the following measures of location (summary meas...

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Q: The city of Touristville has 87 hotels. The Touristville Tourist Bureau gives each hotel a rating of...

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for y...

Q: 5.Which of the following statements about the mean is not always correct? A The sum of the deviation...

A: Note: According to Bartleby guidelines expert solve only one question and rest can be reposted.

Q: redictor Coef SE Coef T P Constant 316.08 28.31 11.24 0.002 Elevation -30.732 3.511 -8....

A: Correlation coefficient (r) =  r2   , where ,  r2 is coefficient of determination Interpretation of ...

Q: O Points: 0 of 1 Save In a recent study on world happiness, participants were asked to evaluate thei...

A: Given : Mean response =5.6 Standard deviation =2.2

Q: For the standard nomal distribution shown on the right, find the probability of z occuming in the in...

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Q: Calculate the percentage of women who measures (a) more than 1.70 m. (b) between 1.66 and 1.58 m. ...

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Q: Find the area of the shaded region under the standard normal curve. E Click here to view the standar...

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Q: Astudy is undertaken to investigate the self-reported health status among women with osteoporosis. H...

A: The median is middle value of the observations, above or below which 50% of the observations lie.

Q: Let X be a hypergeometric random variable with N 15, n = 4, and k = 5. Calculate the following: a. P...

A: Introduction: The random variable X has a hypergeometric distribution with parameters N = 15, n = 4,...

Q: For Special Security in a ertain protected was decided to put three lighting bulbi on each area, it ...

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Q: Some studies have noticed a positive correlation between the number of procedures performed (volume)...

A: We have to answer of the given question, either true or false.

Q: Rank correlation coefficient between the marks in Mathematics and Statistics obtained by a group of ...

A: Given: Rank correlation coefficient, ρ =23Sum of the square of the difference in rank, ∑di2=55

Q: Terf students were ranked on the basis of two attributes : beauty (X) and 4.00 9.00 intelligence (Y)...

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Q: A lest consists of five questions and to pass the test, a student has to answer at least four questi...

A: Define the event of answering a question rightly as a success and the event of answering a question ...

Q: A standardized exam's scores are normally distributed. In a recent year, the mean test score was 150...

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Q: Bob's Slurpee store offers 10 different varieties of Slurpees. To investigate how popular the differ...

A: c. Pie chart

Q: Can you help with part b without using Chebyshe

A: b) From the given information, X1 follows gamma distribution with α1=50 and β1=2. EX1=α1β1          ...

Q: The following Table summarizes the main estimation results for the below model: C- Bo + B,R + Baet E...

A: It is required to test the slope coefficient β2, which is the coefficient of the variable, taxes col...

Q: om's commuting time from his residence in Carmel to the IUPUI campus has a normal distribution.  The...

A: Given that  The residence in Carmel to the IUPUI campus has a normal distribution.  Standard deviati...

Q: 1)EITHER state the critical values and use the critical values/z-obtained comparison OR use the p-va...

A: Given that  Population mean=3 Sample mean=3.03  Sample standard deviation =2.811 Sample size =1883 t...

Q: Calculate inter-quartile range and its co-efficient from the following data: Wages ( $ ) 15 25 35 45...

A: Given that, Wages 15 25 35 45 55 No. of workers 6 9 14 22 12 We need to find the inter-quart...

Q: In a random sample of ten people, the mean driving distance to work was 23.2 miles and the standard ...

A: Given,sample size(n)=10sample mean(x¯)=23.2standard deviation(S)=7.4degrees of freedom(df)=n-1df=10-...

Q: Consider a machine shop having 20 machines and that the chance of any one of them mal functioning du...

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Q: In a random sample of 24 people, the mean commute time to work was 34.4 minutes and the standard dev...

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Q: A four-digit security code is randomly selected from the numbers 0,0, 1,1, 2,2, 3,3, 4,4, 5,5, 6,6, ...

A: Four digit security code is randomly selected from the numbers 0,1,...,9 So, total number of digits ...

Q: Rank correlation coefficient between the marks in Mathematics and Statistics obtained by a group of ...

A: Given: x: marks in Mathematics y: marks in statistics ∑(xi-yi)2=55 Rank correlation coefficient(R)=...

Q: Example17-38. State as precisely as possible the properties of the M.L.E.Obtain the M.L.Es. of a and...

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Q: Find the Geometric mean of : 2, 4, 6, 8, 12, 14, 16, and 18.

A: We have given that,  The data set is,  2, 4, 6, 8, 12, 14, 16, 18 Then,  We will find the Geometric ...

Q: A lest consists of five questions and to pass the test, a student has to answer at least four questi...

A: Given,sample size(n)=5p=probability of guesses correct answer=13q=1-pq=1-13=23A random variable X~Bi...

Q: Using proportional allocation, determine the sample size needed for every school. The total populati...

A: According to proportional allocation, if n is the sample size, N is the total population size, Ni is...

Q: The probability that Z takes a value less than 0.79 is: Select one: P(Z < 0.79) = 0.7852 P(Z < 0...

A: Given : the variable Z is normally distributed with mean equal to 0 and standard deviation equal to ...

Q: Table 1: Vehicles Hwy MPG Model Engine size Number Vehicle Cylinders City MPG Model Transmission Fue...

A: As per our guidelines, we can answer only the first three sub-parts, Kindly repost the others for th...

Q: Suppose that the speed at which cars go on the freeway is normally distributed with mean 73 mph and ...

A: Ans#-  Given that the speed at which cars go on the freeway is normally distributed             with...

Q: Problem: In Dodge-Torrey CSP-2, it is desired to apply sampling inspectigin to 1 item out of every 1...

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Q: Co-efficient of concurrent deviations : Compute the co-efficient of concurrent deviation from the fo...

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Q: x 13 32 50 28 50 25 y 1 2 6 5 9 3 a.given Σx = 198, Σy = 26, Σx2 = 7602, Σy2 = ...

A: For given data Find ( a ) Verify Σx = 198, Σy = 26, Σx2 = 7602, Σy2 = 156, Σxy = 1042, and r ≈ 0.855...

Q: For a distribution Bowley's coefficient of skewness is -0.56, Q1 = 16.4 and median = 24.2. What is t...

A: GivenBowley's Coefficient of skewness(jB)=-0.56Q1=16.4Median=24.2

Q: A market research firm is interested in surveying certain attitudes in a small community. There are ...

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for you...

Q: Independent random samples taken on two university campuses revealed the following information conce...

A: Given Data : For Sample 1 x̄1 = 260 n1 = 50 σ1= 20 For Sample 2 ...

Q: The length of pregnancies are normally distributed with a mean of 266 days and a standard deviation ...

A: Assume a random variable X, that defines the length of pregnancies.

Q: Q. 8. Construct a price index number from the following figures related to the prices and quantities...

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Q: In a co-educational institution, out of 200 students 150 were boys. They took an examination and it ...

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Q: Problem: Which double sampling plan should be used for a lot size of 1500 and an LTPD of 5% with a c...

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Q: The length of pregnancies are normally distributed with a mean of 266 days and a standard deviation ...

A: Solution-: Given: \mu=266 days, \sigma=15 days We find 95% of pregnancies last within ±........... d...

Q: Payoff of three Acts A, B, C and D and the states of nature P, Q, R are States of nature Payoffs Act...

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Q: 4: a) Let X.X., X -N (Hi,6f). Let Y,, Y2 Ym-N (u2,63). .... d (1-a) % CIfor oi when ai. a known.

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Q: Intercept E 62.13 26.79 1.60E-30 1539.66 1789.51     Price of Roses −6.68 F −1.41 1.64E...

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