61 57 58 57 61 64 68 51 49 64 50 48 65 52 62 55 54 48 58 64 55 55 54 42 51 65 51 54 51 60 62 43 55 56 61 52 69 64 56 45     PLEASE CALCULATE THE VARIANCE

Q: The leading brand of powdered milk in the Philippines has a market share of 45%. A sample of 14…

A: Given that  n=14 , p=45%=0.45 , q=1-p=1-0.45=0.55 X~Binomial(n=14,p=0.45) X=Number of leading brands…

Q: 61 57 58 57 61 64 68 51 49 64 50 48 65 52 62 55 54 48 58 64 55 55 54 42 51 65 51 54 51 60 62 43 55…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a…

Q: Statistics students in Oxnard College sampled 9 textbooks in the Condor bookstore and recorded the…

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Q: Let X1, X2, ..., Xn be a random sample from a population r.v. X ~ N(0,0²), with o to be known. (a)…

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Q: Using the binomial probability formula, compute for the probabilities of getting no, one, two and…

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Q: Given M1 = −5, s1 = 4.6, n1 = 72, M2 = − 1, s2 = 3.3, and n2 = 60, calculate t.

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Q: Analyzing One and Two Variable Data

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Q: 6. On a driver's test, about 40% pass the test on the first try. We want to test if more than 40%…

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Q: 下午1:55 4月21日周四 * 77%O 31. An experiment was conducted to investigate the relationship between the…

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Q: Delicacies Above the Rest, a high-end United States based restaurant in Montego bay, used regression…

A: The following information has been given: ∑ x =270 , ∑y  =360n∑ x2 =10818 , ∑y2  =18107n∑ xy =14102…

Q: In one year, there were 174 homicide deaths in a certain city. For a randomly selected day, use the…

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Q: Suppose that a random sample of 200 twenty-year-old men is selected from a population and that these…

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Q: The average amount of money spent for lunch per person in the college cafeteria is $5.97 and the…

A: GivenMean(μ)=5.97standard deviation(σ)=2.3sample size(n)=49

Q: n equal to 0.0145 a 95% confidence that pportion of children road traffic lies betwee 11.18% II pr…

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Q: One of the dates of April 2) [1 2022 is randomly seiected. Find the following probabilities. Write…

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Q: In one year, there were 174 homicide deaths in a certain city. For a randomly selected day, use the…

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Q: 6.46 Suppose that Y has a gamma distribution with a = n/2 for some positive integer n and ß equal to…

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Q: 10. The scatter plot shown includes an outlier in the upper left corner of the graph. The line of…

A: The outlier is at upper left corner.

Q: In a survey of 500 drivers from the​ South, 401 wear a seat belt. In a survey of 360 drivers from…

A: We have given thatX1 = 401n1 = 500p̂ = X1/n1 = 401/500 = 0.802X2 = 272n2 = 360p̂2 = X2/n1 = 272/360…

Q: 2) A study was conducted to determine the effect of cigarette smoking on the carbon monoxide…

A: The true mean CI for the diffusing level of carbon monoxide is to be inferred from the given sample…

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Q: In a t-test result, regardless if it is paired or independent, if the p-value is set at 0.05 and the…

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Q: Consider the regression model Y = B0 + B1 X1 + B2 X2 + u. Suppose you want to test the null…

A: Given that there are total 100 observations. So total degrees of freedom is n-1= 100-1= 99 There are…

Q: Assuming that the Entrance Test scores of Grade 6 students are normally distributed with a mean of…

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Q: One study claims that the variance in the resting heart rates of smokers is different than the…

A: Given that  Sample sizes n1=9 , n2=9 Sample variance s12=480.7 , s22=131.6

Q: For this exercise, round all regression parameters to three decimal places. The table below shows…

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Q: mpany chaiges $227 Iul a $30,C ice policy 1or a 30-year the year is 0.9969. Assume that the company…

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Q: how many ways can you invite at least 7 of your 10 friends?

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Q: A TV show, Lindsay and Tobias, recently had a share of 25, meaning that among the TV sets in use,…

A: This is a binomial distribution with n=8; p=0.25

Q: A shipment of 7 television sets contains 3 defective sets. A hotel makes a random purchase of 3 of…

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Q: What is the chi-square test-statistic for this data?

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Q: Analyses of drinking water samples for 100 homes in each of two different sections of a city gave…

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Q: 3. The registrar wants to know if the average encoding period of time in the school automate is 30…

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Q: Suppose that the random variable X has the probability density function c(1– x²) for -1< x s1 f(x) :…

A: Given that, the r.v. x has pdf fX=c1-x2     for -1≤x≤10                   elsewhere Here, to find…

Q: High                          Low                                              Aspirations…

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Q: Independent random samples were selected from two quantitative populations, with sample data given…

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Q: If a relationship has a moderate, positive, linear correlation, the correlation coefficient that…

A: Given that  A) r=0.25 B) r=0.46 C) r=0.77 D) r=1.0

Q: 3. Dumoor Appliance Center sells and services several brands of major appliances. Past sales for a…

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Q: 7. Presidents' Age at Inauguration 65 55 69 61 54 49 46 55 54 55 50 56 56 54 49 58 60 51 43 51 52 68…

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Q: Delicacies Above the Rest, a high-end United States based restaurant in Montego bay, used regression…

A: Regression analysis is useful in predicting value of a response variable, for a given value of the…

Q: 1. The Department wants to know if the average working hours in preparing a full meal is 3 hours.…

A: According to guidelines we solve only first question when given questions are different.

Q: A brand name has a 60% recognition rate. If the owner of the brand wants to verify that rate by…

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Q: Mortgage Status Current Past Due In Foreclosure Repossessed Frequency 136 56 5 3 (The four…

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Q: ) The list shows the number bottles oF of strawberry jam sold in a day by 14 dipferent vendors : 19,…

A: Given data is 19,16,10,12,15,13,9,11,17,15,18,20

Q: he table below gives the number of hours spent unsupervised each day as well as the overall grade…

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Q: a. Find the mean number of deaths per day. b. Find the probability that on a given day, there are…

A: here given  A county has been experiencing a mean of 33.8 motor vehicle death each year  λ = 33.8…

Q: The mean height of trees in the forest of Zambales is 42 ft and the standard deviation is 3 ft.…

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Q: P(x) O 0.25 Determine whether the distribution is a discrete probability distribution. 1 0.30 2…

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Q: The waist girth of 2,500 employees in a large company follows the normal distribution with mean of…

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