THE VALUE OF THE VARIANCE IS ALWAYS NOT POSITIVE. TRUE ERROR
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A: It is given that Favourable cases, X = 121 Sample size, n = 275 Sample proportion, p^ = X/n…
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Q: what is actuarially fair policy in insurance? why is it a benchmark?
A: We know : Fair means equal (input =output) Benchmark : a standard by which other judged ( Target for…
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Q: A particular fruit's weights are normally distributed, with a mean of 519 grams and a standard…
A: The answer is attached below,
Q: Directions: Write the letter of the correct answer on the space provided before each number. 1. For…
A: As per our guidelines we can solve first three sub part of question and rest can be reposted.…
Q: What is the expected average height of 8 year old boys, using the regression equation?
A: From the given information, the obtained regression equation is y=27.84+2.573x.
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A: Note: As per guidelines we will solve the first question only, please repost other questions for…
Q: Suppose Z follows the standard normal distribution. Use the calculator provided, or this table, to…
A:
Q: Determine the appropriate conclusion for this hypothesis test. O The sample data provide sufficient…
A: given data : 226,233,236,229,230,221,233,233 from the above given data sample…
Q: that the mean filling weight is 16 ounces when it actually isn't b. What is the probability of…
A: b)type II error the researcher concludes that the mean weight is 16 ounces when in reality, it is…
Q: Let X, Y ∼ U(0, 1) and X and Y independent. Find the PDF of U = min(X, Y ).
A: Find the distribution function of u and then pdf
Q: Create a word problem with these following values: population size (n)= 25 standard deviation (s)…
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A: 1) The parameter of the interest is the population proportion of the young people in the city had…
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A: The probability that car sales will increase next month is 0.45. The probability that sale of auto…
Q: In a recent year, a study found that 75% of adults ages 18–29 had internet access at home. A…
A: The following information has been provided: The population proportion is p=0.75 The sample size is…
Q: A psychologist is interested in constructing a 95% confidence interval for the proportion of people…
A: a. The provided information is x=71 n=727 The sample proportion is p^=xn=71727=0.097The level of…
Q: 2.0 0.9 2.2 0.3 2.4 2.5 1.2 0.4 3.1 1.9 0.9 0.5 1.7 0.5 0.7 1.7 1.4 0.5 3.0 0.5 1.1 1.6 0.9 1.5 0.7…
A: Here since sample size (number of observations is 28) is less than 30, we will use t-distribution.
Q: ects several samples from the manufacturer and records the following learned in Forecasting,…
A: Given: The data given is as shown below Temperature (x) Strength (y) 185 5150 183 5125 187…
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A: Given: The data is as below Temperature (x) Strength (y) 185 5150 183 5125 187 5123 188…
Q: Linda is considering opening a bed and breakfast inn near Santa Fe, New Mexico. She thinks that the…
A: Given data: mean (μ) = 1600 and population standard deviation (σ) = 400.
Q: Prove: Let X₁, X₂,..., X„ be a r.s. from N(µ,σ²) and Y₁,Y,₂,..., Y be another independent r.s. from…
A: Given the independent random variables X1, X2, . . . , Xn1~Nμ1, σ12 Y1, Y2, . . . , Yn2~Nμ2, σ22
Q: Given that z is a standard normal random variable, find z for each situation. The area between 0…
A: From the provided information, The area between 0 and z is 0.4750.
Q: The uniform distribution of a random variable X is given in the figure below. 0 2 1. X From the…
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Q: Give a 95% confidence interval for the number of arrivals. (34.9,69.8) Suppose the computed 95%…
A: It is given that the computed 95% confidence interval is ( 34, 68 ).
Q: Let X have an exponential distribution with parameter > 0. Find p P[k < X < k +1] = p(1 − p)k . such…
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Q: A materials engineer wants to understand the relationship between the strength of plastic cases and…
A: Correlation analysis
Q: strengths and criticisms of the scientific method in research
A: The scientific method is one of the ways of conducting research.
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A: Given Mean=7.43 Standard deviations=1.51 n=45
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A: The null and alternative hypotheses are: H0: The market shares for five automobiles in the city are…
Q: The mean deviation of the following data: 82, 79,61,94,73, 64, 51 11.72 The 11.42 The 11.46 The
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Q: Take a guess concerning the population proportion of orange candies. Is this the same as the…
A: For the first student there are 17 orange, 7yellow and 7 brown candies which makes total of 31…
Q: Which of the following is most likely true if the VIF of two variables in the collinearity…
A: In given problem, if the VIF of two variables in the collinearity statistics in Multiple Regression…
Q: ** Let os be the median of a symmetric distribution that is of the contuous type. To test, with a =…
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Q: Suppose a survey of 275 executives is taken in an effort to determine what qualities are most…
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Q: I Computational/Analytical 1. Complete the following tables (A) Height Percent Cumulative C.…
A: Given (A) Height Frequency 64-69 5 70-75 2 76-81 6 82-87 4 88-93 3 (B) Population…
Q: If f(x) 0; x4 k(3+2x) ;2 sx ≤ 4 a) Find k if f(x) is a probability density function. b) Find P (2.6…
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Q: نه نان فانه | b. D. Calculate the z-statistic for each of the following. Write your answer on the…
A: The objective is to find the z-statistic value for each of the following cases.
Q: The following is based on information take from Winter Wind Studies in Rocky Mountain National Park,…
A: Let d = january - April
Q: Statements that can be proven or disproven by evidence. Experimental hypothesis Alternative…
A: The objective is to find the correct option from the choices.
Q: ** Let os be the median of a symmetric distribution that is of the contuous type. To test, with a =…
A: We have given data are 1.5,-0.5,1.6,0.4,2.3,-0.8,3.2,0.9,2.9,0.3,1.8,-0.1, 1.2,2.5,0.6,-0.7,1.9,1.3
Q: The odds ratio is best used as a measure of effect size for frequency or nominal data. True False
A: The objective is to state whether the following statement is true or false.
Q: A researcher investigated the relationship between family income and savings. Using data from 15…
A: The correlation coefficient is 0.76. There is a strong positive correlation between income and…
Q: What does confidence intervals measure? Effect size relative to significance Margin of error in…
A: The confidence interval displays the probability that a parameter will fall between a pair of values…
Q: 11 7 14 13 15…
A: Given that ; Observation: XX X^2X2 1 17 289 2 15 225 3 11 121 4 7 49 5 14 196 6 13…
Q: the effectiveness of their newly developed secticide the fecundity of the insect pest A. They check…
A: Given: Replicates A B C D E Control 1 12.8 38.4 35.4 22.4 23.1 22.6 2 21.6 32.9 27.4 27.5…
Q: For random sample of 9 pigs, fed diet A and increase in weight in certain period were…
A: Data given for A 10,6,16,17,13,12,8,14,15 Data given for B 7,13,22,15,12,14,18,8
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