A bowl contains 7 red balls, 5 white balls, and 3 green balls. In how many ways can 3 balls be drawn such that:             a. they are all red?              b. there is one of each color?                Answer:                  c. at least 2 are green?                Answer:

Q: Problem : Consider a component having a failure rate of 0.6 × 10° failures / hours. What will be the...

A:

Q: Mode Median Mean

A:

Q: The standard normal curve exhibits heavier tails versus the t-distribution curve  True  False

A: Let Z follows Std. Normal distribution i.e N(0, 1) And t follows t distribution. 

Q: Answer the following questions regarding the population of Hamilton County in 2003. If you predict t...

A: The population of year 2000, 2009 and 2015 is given in thousands as: Year Population  2000 844 ...

Q: 25) The following bar chart for these data shows Bar Chart of Number of Cosumers 160 140 120 100 00 ...

A: Marginal distribution displays the column or row total of each categorical level.

Q: Find the value of mean and mode from the data given below: 93-97 98-102. Weight in Kg: No of Stadent...

A:

Q: 14. Garlic for Reducing Cholesterol In a test of the effectiveness of garlic for lowering cholestero...

A:

Q: 5. Economic growth Entrepreneurship employment No. of women entrepreneurs per 100 women 500 45 49 32...

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

Q: If AnB= {1,2, a, b} and A – B= {3,c}, then which of the following is A? O {1,2,a,b,c} {1,2,3,a,b,c} ...

A: Given that A n B = {1, 2, a, b} and A - B = {3, c } then by using benn diagram we solve this problem...

Q: Research was done to determine the wind speed distribution in Kelantan. The researcher claimed that ...

A: Given, A research was done to determine the wind speed distibution in kelantan. The researcher claim...

Q: Increasing the standard deviation will increase the precision of estimation of the confidence interv...

A: Given: on increasing the standard deviations of confidence interval by keeping sample size amd level...

Q: Suppose a math class contains 37 students. There are 16 females (six of whom speak Spanish) and 21 m...

A:

Q: swer this one instead. A nationwide study of American homeowners revealed that 64% have one or more...

A: Given: Sample size (n) = 490 Number of success (x) = 360 Sample proportion p^=360490=3649 Hypothesiz...

Q: In a binomial distribution consisting of 5 independent trials, probabilities of 1 and 2 success are ...

A:

Q: A certain production process produces items that are 10% defective. Each item is inspected before su...

A: Binomial Distribution :               A discrete random variable taking values 0,1,2,....,n  is said...

Q: Waiting times (in minutes) of customers at a bank where all customers enter a single waiting line an...

A: Given data isBank A :-6.4,6.7,6.7,6.8,7.1,7.3,7.3,7.6,7.7,7.7Bank B:-4.3,5.3,5.9,6.3,6.7,7.6,7.8,8.5...

Q: Calculate co-efficient of correlation from the following information by taking deviation from actual...

A: Correlation is the degree or extent of relationship between two variables. 

Q: In the study described in Problem 13, suppose the mean BMI at 16 weeks gestation is 28.5 with a stan...

A: A. Consider that the mean and standard deviation of a random variable X are µ and σ, respectively. T...

Q: Sampling distributions with the same sample size will have different standard errors even if their s...

A: True because when population is large the sampling distribution follows a distribution with paramete...

Q: Use spearmans rank correlation coefficient Rankings of 10 trainees at the beginning (x) and at the e...

A: Coefficient correlation : The parametric statistic may be a applied math live of however sturdy a re...

Q: From the following data of age of 11 persons. Find the median age. Age in years : 30, 26, 17, 25, 14...

A:

Q: A machine puts out 16 imperfect articles in a sample of 500. After the machine is overhauled, it put...

A:

Q: A ball is drawn randomly from a jar that contains 3 red balls, 2 white balls, and 7 yellow balls. Fi...

A: a) There are 3 red balls, 2 white balls, and 7 yellow balls in the jar.

Q: Cholesterol levels for males aged 50 have a mean of 210 and a standard deviation of 22.8. Using the ...

A: Given that  X~N( μ =210, ? =22.8) μ = 210 , ? = 22.8

Q: How many triangles can you make using 6 non collinear points on a plane? A committee including 3 boy...

A: Number of possible arrangement of data set is studied using the permutation and combination. Permuta...

Q: A sample of n = 36 scores is obtained from a population with u = 100 and o = 24. If the sample mean ...

A: GivenMean(μ)=100standard deviation(σ)=24sample size(n)=36sample mean(M)=104

Q: 9. How many ways can 10 beads be formed in a bracelet?

A: In question, We'll find the ways in which 10 beads be formed in a bracelet. The solution is below,

Q: Find the value of mean and mode from the data given below : Weight in Kg: No. of Students: 93-97 98-...

A: Given that  Class Frequency (f) Mid value (x) f⋅x 93-97 3 95 285 98-102 5 100 500 103-107 1...

Q: The standard deviation of the wages of 400 textile workers is $ 12.8. Another sample of 600 textile ...

A:

Q: What is the standard deviation for a binomial distribution with p = 0.4 and n = 77?  Report your ans...

A: Given,p=0.4n=77A random variable X~Binomial(n=77 , p=0.4)P(X=x)=77x0.4x1-0.477-x  ;   x=0,1,2,...77

Q: (b) Construct a stacked percent frequency bar chart with x on the horizontal axis.

A: It is given that the variable x can taken on values low, medium and high and y can take on values ye...

Q: find the expected mean and variance of gamma distribution using mgf. Use X~Gamma (r, lamba)

A:

Q: One sample has n = 5 scores and M = 10. A second sample has n = 20 scores and M = 5. If the two samp...

A:

Q: A jar contains 4 red marbles numbered 1 to 4, 12 blue marbles numbered 1 to 12, and 8 white marbles ...

A: As per company guidelines I solved exactly three subparts of the question .thank you ?

Q: A treatment is administered to a sample selected from a population with a mean of u = 34 and a stand...

A: Given : Mean (m1) =34 SStandard deviation (s) =8 d=0.00 We need to find mean for the treated sample ...

Q: A frequency distribution gives the following results : () Coefficient of variation = 5 (ii) Standard...

A: From the provided information, the known values are: Coefficient of variation =5 Standard deviation ...

Q: How many ways can a DVD collection of 12 different movies be arranged in alphabetical order on a she...

A:

Q: The joint probability distribution for X and Y are shown in the table. Find F(2,1). All of your answ...

A: Given data is       X       0 1 2   0 0.15 0.07 0.11 Y 1 0.12 0.18 0.22   2 0.03 0.07 0.0...

Q: A quiz contains 4 multiple-choice questions. Each question has one correct answer to choose from 4 p...

A: Given:  Quiz contain 4 multiple choice questions each question with 4 option inwgich only one is cor...

Q: In the probability distribution to the right, the random variable X represents the number of marriag...

A: Farmula used  E(X)=∑xP(X=x) 

Q: The 2008 General Social Survey asked, “What do you think is the ideal number of children for a famil...

A:

Q: 1 1 3 4 P(x) 1/5 Find d and construct a probability histogram to describe P(x). d/25 9/25 2d/25 2/25

A:

Q: (m) Suppose there is a 25% chance each child will get influenza, whereas in 13% of two-child familie...

A: This is a simple conditional probabilities.......

Q: Overproduction of uric acid in the body can be an indication of cell breakdown. This may be an advan...

A: Given :  x¯ = 5.45 σ = 1.81 n = 5  

Q: A market research firm is interested in surveying certain attitudes in a small community. There are ...

A:

Q: 1 -20 22 11 -35 48 2 -31 51 12 34 -27 3 3 8 13 11 -16

A: Given: The data is as follows x y -20 22 -31 51 3 8 29 -16 -13 10 22 -26 -12 29 ...

Q: A sample of n = 100 scores is selected from a population with u = 50 and o = 5. If the sample mean i...

A: Given Sample Mean: x̄ = 49 Sample Size: n = 100 Population Mean: μ = 50 Population Std Dev: σ =  5 W...

Q: Let L be a r.v: P(L <= 0) = 90%, P(L = 10) = 5%, P(L = 20) = 5%. Find VaR95%(L) and VaR95.1%(L). Exp...

A: Given the probabilities of the random variable L as PL≤0=90% PL=10=5% PL=20=5%

Q: monty has a collection of 50 pairs of shoes consisting of 18 nike, 20 jordan, 9 adidas, ans 3 reebok...

A: Given:  50 pairs of shoes consist  18 Nike ,20 Jordan, 9 Adidas , 3 Reebok shoes , p=9/50= 0.18   

Q: 6.2 2 The table shows the area (a, in millions of square feet) of ten shopping malls, along with the...

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