Find the variance. The variance is Part: 2 / 3 Part 3 of 3 Find the standard deviation. The standard deviation is

Q: If the two winners are drawn with replacement, what is the probability that a friend of the departme...

A: A raffle is held in the IT department of a company in which 10 of the 40 members who bought raffle t...

Q: In the frequency distribution of 100 families given below, the number of families corresponding to e...

A:

Q: The following table gives the distribtution of weekly income of 160 families in a town : Weekly Inco...

A: Percentile : A k-th percentile (percentile score or centile) is a score below which a given percenta...

Q: If X and Y are independent RVs, then E(YIX) - F(Y) nd F(Y10

A: X and Y are independent then joint distribution of X and Y is  f(x,y)=f(x)f(y)   

Q: Xn be a random sample from Let X,, X2, Beta (a, B) where a is known- Show that is sufficient for a. ...

A: Given that X1, X2, . . ., Xn be a random sample from Betaα,β, where α is known.

Q: Theorem 3-9. If A, B, C are mutually independent events then A UB and C are also ndependent.

A:

Q: The Sorry State Lottery requires you to select five different numbers from 0 through 53. (Order is n...

A:

Q: The following data relate to the prices and quantities of 4 commodities in the years 2012 and 2013. ...

A:

Q: Calculate Semi-Inter-Quartile Range and its Co-efficient of Q.D. from the following Vata : Marks 0-1...

A:

Q: Please answer the two problem separately and refer to its instructions. Thank you. Problem 1: (I pre...

A: Given information: μ=3.2, σ=0.92

Q: Two kinds of feeding rations were tested on quails to find out which feed ration give good result in...

A: Disclaimer : “Since you have posted a question with multiple sub-parts, we will solve first three su...

Q: Using the unit normal table, find the proportion under the standard normal curve that lies to the ri...

A: Givena)The standard normal curve that lies to the right of z=1.00

Q: if you flip a coin 15 times, how many tails do you expect them to get

A: Let us assume that we flip a coin 15 times hence n= 15 Probability of occuring tail = (1/2) or 0.5 T...

Q: Emissions of sulfur dioxide by industry set off chemical changes in the atmosphere that result in "a...

A:

Q: Lotteries The Sad State Lottery requires you to select a sequence of three different numbers from 0 ...

A:

Q: Find an interval estimate with a confidence level of (i) 90%, (ii) 95% and (iii) 99%.

A:  here sample mean =x = 20 months population standard deviation = σ =3 months sample size (n) = 64 he...

Q: The monthly utility bills in a city are normally​ distributed, with a mean of ​$100 and a standard d...

A:

Q: (i) What is the chance that neither settles the dispute, if they both try, independently of each oth...

A: Let us define some events X : Manager X settles the dispute. Y : Manager Y settles the dispute. Then...

Q: Use the method of moment to estimate the parameter 0 for the density f (x; 0) =; I[0,0](x) based on ...

A:

Q: 9. 9. Find A where P(x2 A)=0.25. 10. 10. Find A where P(xS A)=0.10.

A: GivenMean(μ)=15standard deviation(σ)=3

Q: Example 5. Calculate 5-yearly and 7-yearly moving average of the data given below to obtain trend va...

A:

Q: Derive the standard error of the point estimator Bo-

A:

Q: The data represent the​ time, in​ minutes, spent reading a political blog in a day. Construct a freq...

A:

Q: Example 3-51. A and B alternately cut a pack of cards and the pack is shuffled after each cut. If A ...

A:

Q: A bakery is considering buying one of two gas ovens. The bakery requires that the temperature remain...

A: From the provided information,

Q: 88 % of the items produced by a machine are non- defective. What is the probability that among 50 it...

A:

Q: Use the normal distribution to the right to answer the questions.   ​(a) What percent of the scores ...

A:

Q: . Dr. Cooky, the head of the Food Administration, encourages Filipinos to monitor their calorie inta...

A: Given that . Dr. Cooky, the head of the Food Administration, encourages Filipinos to monitor their c...

Q: A food safety guideline is that the mercury in fish should be below 1 part per million​ (ppm). Liste...

A:

Q: At ? = 0.10, can it be concluded that there is a difference in means of hours spent for studying bet...

A: When we assumed population variances are unequal then the two sample t- test formula is defined as  ...

Q: A frequency distribution is shown below. Complete parts​ (a) and​ (b).   The number of televisions p...

A:

Q: Use the Monte Carlo method to estimate the following. 1./o еxp(еxp(x)) dx 2. E(N) where N is defined...

A: @solution::::

Q: If X denotes the sum of the numbers obtained when 2 dice are thrown, obtain an upper bound for P{\X ...

A:

Q: About 5% of hourly paid workers in a region want the prevailing minimum wage or less. A grocery chai...

A: Let X is a radnom variable shows the number of employees out of 285 earn the prevailing minimum wage...

Q: Please answer each of the questions in each of the items and refer to its instructions. I-Use the hi...

A:

Q: a) What response represents the 90th ​percentile? ​(b) What response represents the 62nd ​percentile...

A: In a recent study on world​ happiness, participants were asked to evaluate their current lives on a ...

Q: Independent random samples of professional football and basketball players gave the following inform...

A: CI=(x̄1 - x̄2) ± ME

Q: The amount of pollutants that are found in waterways near large cities is normally distributed with ...

A: As per guidelines expert have to answer first question three subparts only dear student please uploa...

Q: Based on historical data, an insurance company estimates that a particular customer has a 1.5% likel...

A:

Q: Four students are playing a card game. They decide to choose the first person to play by each select...

A: Given: Four students are playing a card game. They decide to choose the first person to play by each...

Q: Please consider and work through the following questions. Breast cancer patients Normal individuals ...

A:

Q: As the value of p increases, the mean of the binomial distribution increases .

A: From the provided information, The distribution is binomial with probability p. X~B (n, p)

Q: If we have heterogeneity of variance - other than we violated an assumption of the test , what else ...

A: Given information: One boxplot of protein and another boxplot of log (Protein) are given, comparing ...

Q: You are given the following Previous question Cost= 1.5g + 20g• F. = 3.0g + 20, and da Marginal Cost...

A:

Q: - TABLE 6E.2 Bearing Diameter Data Sample Sample Number i R Number 1 34.5 3 13 35.4 8 34.2 4 14 34.0...

A: Given Information: Consider the table that shows the measurements which are made on the inside diame...

Q: Example 3 data: Calculate the mean deviation about the mean and its co-efficient for the following С...

A: Class f Mid value (x) f⋅x |x-ˉx|=|x-32.3333| f⋅|x-ˉx| 10 - 20 5 15 75 17.3333 86.6667 20 - 30 7 ...

Q: The population of a country was 300 million in 1951. It became 520 million in 1969. Calculate the pe...

A:

Q: Please to perform in excel and show formulas. Very importante: perfom in excel (show pictures) the...

A:

Q: A student measures 30 values of x and calculates a mean value of 58.5 with a standard deviation of 0...

A: Mean provides the average of a set of data points and standard deviation provides the spread of the ...

Q: In general, E(XY) + E(X) × E(Y), but if X and Y are E(XY) = E(X) × E(Y). independent RVs,

A: