Given: n = 50, o = 1.2, and a = 0.1. The maximum error E is approximately a. 0.330 b. 0.39 C. 0.44 d. None of these

Q: According to the American time you survey Americans age 15 and over spend on average of 2.65 hours e...

A: GivenMean(μ)=2.65standard deviation(σ)=0.97

Q: The first four central Moments of a continuous series with class intervals of 10 are arrived at 2, 2...

A:

Q: DIRECTIONS. Solve for the following. Write your answer on separate sheet of paper. 1. Find the mean ...

A: mean=E(X)=∑X.P(X)

Q: - The following table gives the distribution of students according to age in completed years and reg...

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Q: In a survey of 3,985 travelers, 1,441 said that location was very important for choosing a hotel and...

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Q: It is given that X-N( 30, 5). Find P(27<X<33) a. 0.2743 b. 0.5486 C. 0.4514 d. 0.7257

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Q: c. The probability that the person will wait more than 9 minutes is d. Suppose that the person has a...

A: A bus comes by every 15 minutes. The times from when a person arives at the busstop until the bus ar...

Q: F. EVALUATION Direction: Find the mean, variance, and standard deviation of the following probabilit...

A: Since you have posted multiple sub-parts of question , we will solve first three sub-parts of questi...

Q: Consider the function f(x)-02 1sx52 Elsewhere For what value of k does f satisfy the conditions of a...

A: here  for valid distribution total probability always 1

Q: 1) The following data come from a table that was measured with high precision Use the best mumerical...

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Q: The variables x and y are connected by the equation ax + by + c = 0. Show that the correlation co-ef...

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Q: Out of 100 German nationals, 60 liked music of their own language, whereas 70 French nationals out o...

A: The objective is to state whether German's prefer their own music in comparison with Frenchmen using...

Q: O pts This is your third long answer question, to be done by hand and submitted through a dropbox la...

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Q: For any 2 RVs X and Y {E(XY)}² < E(X?E(Y²)

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Q: The data are from children between 5 and 9 years old. The variables are 1 = age in years y = Forced ...

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

Q: 2) The number of items sold per day in a sari-sari store, with its corresponding probabilities, is s...

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Q: (a) Construct the probability distribution of X. Round the answer to three decimal places. 0. 1 P(x)

A: Given that, A recent survey asked 830 people how many days they would wait to seek medical treatment...

Q: Direction: Find the mean, variance, and standard deviation of the following probability distribution...

A: Given1) x 2 3 4 5 6 P(x) 40% 32% 11% 9% 8%

Q: Setting α to 0.05 instead of 0.1 increases the probability of:

A: Here use basics of hypothesis testing and error 

Q: C. The probability that fawn will weigh exactly 3.1 kg is P(x = 3.1) =0 d. The probability that a ne...

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Q: ruestion 4 A researcher conducts an independent-samples t test comparing two group means of 11.3 and...

A: From the above options "OPTION D" is correct ie, fail to reject the null hypothesis,we cannot say if...

Q: Question 5 A study found statistically significant results for a hypothesis tested with an independe...

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Q: A researcher wishes to estimate the number of households with two computers. How large a sample is n...

A: Givenconfidence level = 90%Margin of error(E)=2%=0.02p^=0.45

Q: It is known the 60% of toddlers have too much screen time. A randome sample of 8 toddlers were exami...

A: Given: 60% of toddlers p=0.60 n=8 we want to find probability that 4 have too much screen time

Q: Identify and discuss the several aspects of univariate analysis.

A: Univariate analysis is the simplest form of analyzing a data.

Q: From the following information regarding the price of 3 commodities, calculate the dex numbers takin...

A: The price of 3 commodities A, B and C are given. The objective is to calculate the index numbers tak...

Q: The following Table gives the profits of a concern for 5 years ending 1983 : Year 2009 2010 2011 201...

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Q: In a survey of 650 randomly selected U.S. males ages 18-64, 396 say they have gone to the dentist in...

A: Given,n=650x=396p^=xnp^=396650=0.6091-p^=1-0.609=0.391α=1-0.90=0.1α2=0.05Z0.05=1.645     (from Z-tab...

Q: A coin is tossed 400 times and it turns up head 216 times. Discuss whether the coin may be unbiased ...

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Q: 1. A sample is used to construct a confidence interval for an unknown population mean. Which of the ...

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Q: The following is a monthly trend equation : Y = 40 + 4X %3D Note: [origin Jan. 2012, X-unit = one mo...

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Q: Dr. Jameson wanted to know if IQ scores differed between male and female participants in his study. ...

A: Given that Dr. Jameson wanted to know if IQ scores differed between male and female participants in ...

Q: A senior high student commutes daily from home to school. The average time for a one way trip is 20 ...

A: Given that, μ=20 minutesσ=4 minutes The no.of minutes is the starting point of the longest 10% of th...

Q: Q4) Find the p-value for the table above

A: For the given hypothesis testing,  we need to find the P-value.

Q: An insurance company keeps arecord of insurance plans sold per day for the past 150 days, as summari...

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Q: Suppose that Mario owns a company that rents moving vans. Mario’s customers pay $22$22 per day to re...

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Q: Samples of three cards are drawn at random from a population of six cards numbered from 1 to 6. Cons...

A: 1)  The population of six cards are numbered from 1 to 6. Three cards are randomly selected. The obj...

Q: (b) Find P (Less than or equal to 4). P (Less than or equal to 4) =

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Q: Find the variance and the standard deviation of the given probability distributions. Complete the fo...

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Q: 2 - F = (T – 2). O Relationship between t (B1 = 0 established conditions) and F 2 Relationship betwe...

A: Please note that as per our guidelines if there are multiple subparts in a question we can answer th...

Q: In a car service station, there are two service lines. The random variables X and Y are the proporti...

A: According to the answering guidelines, we can answer only three subparts of a question and the rest ...

Q: If this data (figure below) meets the requirements of a parametric test, what stat that we learned a...

A: Result: The parametric test which is used for comparing the two groups is t test. Assumptions for tw...

Q: 400 oranges are taken from a large consignment and 50 are found to be bad. Estimate the percentage o...

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Q: Using the data relating to range given below, prepare the R- chart if you are given that for n=5, D3...

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Q: ) What is the probability that 6 nonvoters have a family income of less than $30,000?  b.) What is t...

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Q: The following data are the monthly salaries y and the grade point averages x for students who obtain...

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Q: An enquiry into the budgets of middle class families in a certain city gave following information : ...

A: Given, Expenses Food 35% Fuel 10% Clothing 20% Rent 15% Miscellaneous 20% Prices (2010) 1150 25...

Q: Analyze the scenario and complete the following: Complete the discrete probability distribution for ...

A: i. The random variable x defines the amount won from lottery.

Q: calculate P(at least one valve opens) and P(at least one valve fails to open).

A: A boiler has five identical relief valves. The probability that any particular valve will open ondem...

Q: The average height of a large group of children is 43 inches, and the SD is 1.2 inches. The average ...

A: a) The relationship between correlation and regression is given as under Where r is the correlation...