1. Construct a 90% confidence interval for the proportion of employees requiring size 3.

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Q: Problems 18 – 22 Data for the days of rain in June from past years for three different states are…

A: List of formula :  F ratio= MSBMSW Where ,  MSB= ∑∑xi2ni- ∑xTOT2Nk-1 MSW = ∑∑xi2-∑xi2niN-k

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A: Given data is X Y 14 0.9 17 1.1 28 1.6 17 1.3 16 1.0 13 0.8 24 1.5 25 1.4 18…

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A: Given : x1= 24 n1= 200 x2= 147 n2= 1400

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A: Given: n1 = 10 n2 = 12 Formula Used: Sample mean X = ∑Xin  Sample standard deviation s = ∑(Xi-X)2n-1…

Q: Number of Tellers (X) P(X) 0.029 0 1 0.049 2 0.078 3 0.155 4 0.212 5 0.262 6 0.215 a. What is the…

A: The varable X denotes the number of tellers.

Q: e) Consider the information given above. Suppose that the number 10 was observed on 26 occasions out…

A: here given , Consider an thirteen-sided die where it is suspected that the number 10 is more likely…

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Q: Find the five number summary and draw the box plot for the following 24 10 4 20 40 58 26 39 7 11 100…

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Q: Use the following information to find the 95% confidence interval to estimate normally distributed…

A: Given that variances of the two populations are equal Sample 1n1=60x1=21s1=5Sample 2n2=45x2=24s2=4

Q: What is omitted variable bias?

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A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

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Q: Confidence Interval: Aisha wants to find a 99% confidence interval for the true mean difference in…

A: Sample size(n)=145 Mean difference=$3.78 The standard deviation of the difference=$19.74

Q: Suppose that the walking step length of an adult males are normally distributed with a mean of 2.5ft…

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Q: A study found that, in 2005, 12.5% of workers belonged to unions. Suppose a sample of 400 workers is…

A: The hypothesized proportion is 0.125.

Q: From a lot of 12 missiles, 5 are selected at random and fired. Suppose the lot contains 4 defective…

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Q: A humane society claims that less than 72% of households in a certain country own a pet. In a random…

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Q: random sample of 280 flights from LGB to SFO using Option 1 and records their loading times. The…

A: Given that  Alpha =0.10 And n1=280 n2=230

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A: Dependent variable and independent variable: The variable of interest, regarding which, the…

Q: Suppose that the weight of an newborn fawn is Uniformly distributed between 2.3 and 3 kg. Suppose…

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Q: In a random sample of five people, the mean driving distance to work was 21.3 miles and the standard…

A: Given data: Confidence level  = 99 % Mean = 21.3 miles Population standard deviation =8.5

Q: he mean annual tuition and fees for a sample of 8 private colleges was 33,700 with a standard…

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Q: 7.37. U₁, U₂ are independently and uniformly generated between 0 and 1 by a machine. Let X denote…

A: Given that: U1 and U2~Uniform0,1 Sum, X=U1+U2 Let Y = 1- U2

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A: The data from a statistics class having numerical and categorical variables are given.

Q: The Acme Company has developed a new battery. The engineer in charge claims thatthe new battery will…

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Q: Express the confidence interval (13.8 %, 20 %) in the form of p + E.

A: Here Given  Confidence Interval (13.8%, 20%)

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A: We have given that,  Sample mean or average (x̄) = 180 months, standard deviation (s) = 96 months…

Q: 24.  In an experiment, participants were shown three of the famous Rorschach “inkblot” images, each…

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Q: Two independent samples have means of M1 = 15 and M2 = 12, with variances of s21 = 4 and s22 = 8. If…

A: Given Two independent samples have means of M1 = 15 and M2 = 12, s21 = 4 and s22 = 8.  s2p = 6,

Q: If n = 180 and X = 144, construct a 99% confidence interval for the population proportion, p. Give…

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Q: Let the 2-dimensional random variables (X, Y) have joint uniform density function f(x,y) = ²,0≤x≤3,…

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Q: Consider the following hypothesis test. Но: М1-M250 На: M1 - H2>0 The following results are for two…

A: Given data: Significance level = 0.05 From the given hypothesis,  the test is Right tailed test.

Q: A student did a survey on the age of marriage for married male and female students. Use the…

A: Given data set is:

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A: Categorical variable: Categorical variables are those variables which characterize the data using…

Q: a- If a students is chosen randomly, what is the probability that he or she is not in any of these…

A: here from given information  define events and draw venn diagram  E = student taking english class…