How many respondents should be chosen from Luzon? How many respondents should be chosen from Visayas? What is the level of measurement of the variable “Number of owner of laundry business”?

Q: determine the numbers of ways to deal 13 cards on the table having exactly 2 aces from a standard de...

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Q: The mean weight of 150 students in a class is 60 kg. The mean weight of boys in the class is 70 kg. ...

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Q: A continuous random variable X has distribution D on the real numbers R with distribution function 1...

A: i) Since f(x) is a p.d.f. ∫−∞∞​f(x)dx=1⇒∫01​k(1−x2)dx=1 ⇒k[x−3x3​]01​=1⇒k(1−31​)=1 ⇒32k​=1 ⇒k=23

Q: Statement : If X is a non-negative random variable with E(X) =µ and if K is any real positive number...

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Q: Activity: SAMPLING DISTRIBUTIONS OF THE SAMPLING MEANS A. Directions: Consider the given, then analy...

A: The population consists of 12, 14, 16 and 18. the population mean is given by, 12+14+16+184=604=15 T...

Q: 1. A researcher has a population of 100 grade 11 senior high school from which a sample of 25 studen...

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Q: The mean weight of 150 students in a class is 60 kg. The mean weight of boys in the class is 70 kg. ...

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Q: A retailer has 10 identical television sets of a company out which 4 are defective. If 3 televisions...

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Q: Using the concept of mean, which of three best options has the best deal? Explain your answer.

A: here use concept of expected value(mean) X= return from company A Y= return from company B Z= return...

Q: Determine the probability that out of 4 students are a. none b. 1 c. atleast 1 d. all will graduate.

A: Here use binomial distribution  Each trial is independent  Finite number of trial  Probability of s...

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Q: For each distribution, simulate a sample of N = 200 and compute empirical mean, empirical standard d...

A: 3. Simulation of N=200: MINITAB Procedure: Calc Menu Random data>select Poisson Enter 200 for nu...

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Q: C. What percentage of the students studied for more than 5.8 hours? d. Harry noticed that he scored ...

A: Given :  Mean = 4.6 Standard deviation = 1.2

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Q: The following table shows the Myers-Briggs personality preferences for a random sample of 406 people...

A: The Chi square χ2 test helps us to check the independence between two categorical variables. in our ...

Q: 1. P(B) Р (А аnd B) 4 find P(A) 8 2. P(A) = 20' 9 Р (А аnd B). 27 find P(B) = 200 3. P(B) = 0.2, P (...

A: As per company guidline i solved exactly three subpart of the question. Thank alot

Q: he researcher decided to conduct the study again and recruited an  additional 10 children  from the ...

A: Given :  

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A: (5) You were interested in sampling students who deal drugs on campus.   

Q: The following table shows age distribution and location of a random sample of 166 buffalo in a natio...

A: Farmula used  degree of freedom=(row-1)(column-1) 

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A: Given that, A manager accepts the work submitted by his typist only when there is no mistake in the ...

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A: The expected value is calculated by combined value of random variable and corresponding probability ...

Q: Find the area of the shaded region.

A: here as per guidelines i have calculated first main question repost for remaining scores are normall...

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A: Let x be the random variable denotes the number of mistakes per letter. The 20 letters are typed wil...

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Q: A single card is drawn from a standard deck of cards. What is the probability that the card drawn is...

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Q: What is the relationship of population, sampling, sample, and inference in statistics?

A: Statistics is a field of study which involves collecting, arranging, analyzing and drawing inference...

Q: In Example 2 we saw that Airbus A330-300s seat 330 passengers and cost $250 million each, Boeing 767...

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Q: Compare linear regression to a one-sample t test. What are the pros and cons in using these for stat...

A: Statistical testing consists different tests which are used in different scenarios.

Q: Find P (-1.26 < z < 3.25).   Round your answer to 4 decimal places.

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Q: the Z table provided, find the value of ?. P[

A: If we have z table than we can get easily the probability of z value There are three steps. 

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A: I want to tell you which one is the correct choice

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Q: You draw one card from a standard deck of playing cards. If you pick a heart, you will win $10. If y...

A: Given  Total number of cards=52 Number of hearts in a pack=13 Number of face card but not hearts=9

Q: Activity: SAMPLING DISTRIBUTIONS OF THE SAMPLING MEANS A. Directions: Consider the given, then analy...

A: Here mention to solve 3 and 4 Given : Population size (N) = 4 This are : 12 , 14 , 16 , 18 Sample si...

Q: (a) Consider the distribution of all Minnesotans' preference for green bean hot dish versus any othe...

A: n = 400 Poll on Minnesotans Results: Green bean Hotdish 190 Different bean Hotdish 205 hypot...

Q: а. At least one selected firm is not local. b. All three selected firms are local.

A: Given: Total no. of firms, N=6 No. of local firms, k=4 Sample size, n=3

Q: Read the given statement. Identify if the statements are True or False

A: Here use definition of ordinal  variable definition 

Q: Suppose you draw two coins from a bag containing 10 quarters, 8 dimes, 6 nickles, and 4 pennies. Fin...

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Q: The most obese countries in the world have obesity rates that range from 11.4% to 74.6%. This data i...

A: Average is the measure of central tendency. It can be calculated by adding all the observation in th...

Q: Construct the Probability Distribution

A: A card is picked at random 8 times, with replacement, from a standard deck of 52 cards and the succe...

Q: An insurance company selected samples of clients under 18 years of age and over 18 and recorded the ...

A: An insurance company selected samples of clients under 18 years of age and over 18 and recorded the ...

Q: Example 18. Calculate chain Index number with 1995 as base from the following data Average Whole Sal...

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Q: In a certain village, the power interruption occurs randomly at an average of 13 per year. What is t...

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Q: How many apps? According to a website, the mean number of apps on a smartphone in the United States ...

A: GivenMean(μ)=89standard deviation(σ)=22