The incidence of a certain disease is such that on the average 20% of workers suffer from it. If 10 workers are selected at random, find the probability that () Exactly 2 workers suffer from the disease, (i) not more than 2 workers suffer from the tisease. Calculate the probability upto fourth decimal place.

Q: An article suggests the uniform distribution on the interval (6.5, 21) as a model for depth (cm) of ...

A:

Q: (a) Verify that Ex = 477, Ey = 86.8, Ex² = 62,029, Ey² = 2028.68, Exy = 11036.6, and r = 0.93853. Ex...

A: a. The provided information is x days y km/100 xy x*x y*y 72 14.7 1058.4 5184 216.09 76 19.5 ...

Q: Consider a time-homogeneous markov chain (Xt: t = 0,1, 2, ..) with states (1,2,3}. %3D what is P[X1 ...

A: Question:

Q: Listed below are speeds (mi/h) measured from traffic on a busy highway. This simple random sample wa...

A:

Q: Grouped Decile i()-B Di= L+ G 10 10. W Element Description Di Group ith Decile – where i = 1,2,3,4,5...

A:

Q: State whether the following statements are true or false :

A: Here use some basic of measure 

Q: or ALL the following statements, evaluate each statement as either TRUE or FALSE. Then, justify your...

A:

Q: 100 students appeared for an examination. The results of those who failed are given below : Marks 10...

A: Given that, 100 students appeared for an examination,  results of failed students were given.  We ne...

Q: 1. Two forecast scores S(F,y) and S(G, y) are independent 2. The squared error (y – µF)² is a proper...

A: Solution:

Q: 5 how using MGF technique that if Z, ~ N (0,1), for i =1,2,3,4,5, then U = Ez} ~ x² with i=1 degrees...

A:

Q: Calculate Karl Pearson's Coefficient of Correlation between age and playing habits from the data giv...

A: Correlation coefficient is given by,   Where n is sample size, Here n= 6

Q: If 10 is subtracted from every item in a data than the coefficient of variation of the resulting set...

A:

Q: Compute Quartile Deviation of the following data: Wages 240 300 320 100 140 180 200 4 Workers 7 10 1...

A:

Q: In a group of 30 students, the probability that at most 25 of them like to swim is 56%. What is the ...

A:

Q: The famous person who does magic tricks that everyone knows, Zach King!! He thought it was time to p...

A:  

Q: The data below shows the SAT scores of 30 students at Martin Luther King High School in Florida. 15...

A: Given : Sample 1561 1554 1536 1531 1523 1518 1515 1511 1506 1500 1499 14...

Q: Example 1 Find index numbers for the years 1973, 1974 and 1975 from the following d taking 1972 as b...

A: The price change over the period of time is calculated using the index number. It is broadly classif...

Q: Define cluster sampling

A: Cluster sampling is a probability sampling method  

Q: Prove the reproductive property of independent Poisson RVs. Hence find the probability of 5 or more ...

A:

Q: This is a follow-up question to Question 4(a-c) in Homework 4. You don't have to correctly answer th...

A:

Q: A Biology professor is teaching sections A and B of BIOL1000. The professor knows from the past that...

A: Given Information:- μA=65σA=10μB=70σB=20

Q: Define coding

A: Coding is a part of computer programming.

Q: 3 This table shows the percentage of people who own a laptop and a mobile phone in four different di...

A:

Q: The price of a commodity doubles in a period of 4 years. What is the average percentage increase per...

A:

Q: Find the first quartile (Q1) and the third quartile (Q3), given the scores of 9 players in an online...

A: Arrange the given data in ascending order1, 3, 7, 7,  16, 21, 27, 30, 31sample size(n)=9

Q: Question A random sample of 25 tires gave the average life as 38000 km and S.D. as 5000 km. Can it b...

A: We have given  x=38000SD=5000n=25μ=40000  

Q: The mean of 10 numbers is 8. If an eleventh number is now included in the results, the mean becomes ...

A: Given,The mean of 10 numbers=8Let the 11th number be X.

Q: The average time to run the 5K fun run is 20 minutes and the standard deviation is 2.3 minutes. 42 r...

A:

Q: Find the median and meán deviation of the following data : Size Frequency 7. Şize Frequency 0-10 40-...

A:

Q: What will be your null hypothesis 2. What would be the a

A: 1. From the given information,   Digital Undecided Analog under 30 6 4 2 Above 30 5 4 9   ...

Q: Example In a large group of students 80% have a recommended statistics book. Three students are sele...

A: Solution-: Given: n=3,p=0.80 We find the probability distribution of the number of students having t...

Q: 6.65. (a) Thirty observations on the oxide thickness of individual silicon wafers are shown in Table...

A: Since you have asked multiple questions, we will solve the first question for you. If you want any s...

Q: Choose the correct answer. 1.)  If the mean of the sampling distribution of the mean is 6.5, which ...

A: As per our guidelines we are supposed to answer only one question per post so I am solving first que...

Q: lete the frequecy distribution table and find the meas Class Interval FrequencyClass Mark 3 fx 35-39...

A: Given: class interval Frequency 35-39 3 30-34 5 25-29 8 20-24 18 15-19 13 10-14 10 ...

Q: The following data are from an experiment designed to investigate the perception of corporate ethica...

A: Given, Marketing managers Marketing research Advertising 6 5 6 5 5 7 4 4 6 5 4 5 6 5 6

Q: Let X be the total medical expenses (in 1000s of dollars) incurred by a particular individual during...

A: We are given the total medical expenses (in $000s) and its pdf is given as follows: f(x)=k(1+x/2.5)^...

Q: Calculate the coefficient of correlation between x and y. 4 y 9 13 17

A:   X Y X.Y   X2 Y2 2 5 10 4 25 4 9 36 16 81 6 13 78 36 169 8 17 136 64 289 ∑X=20 ∑Y=44...

Q: The estimated margin of error is ________ The sample mean is _________

A: Solution;  confidence interval of mean height( u) is  : { xbar +/- M.E(xbar)}= (2.1, 3.1)  xbar- ME(...

Q: If 10 is subtracted from every item in a data than the coefficient of variation of the resulting set...

A: Solution is given in the picture:

Q: A magazine includes a report on the energy costs per year for 32-inch liquid crystal display (LCD) t...

A:

Q: If it costs a Dollar to draw one number of a sample, how much would it cost in sam- pling from a uni...

A:

Q: 2 3 Test 1 4 5 8 9 10 Student A 12 13 2 5 9 6 10 7 Student B 8. 10 9 12 1 4 7 9.

A: Given: Student A  Student B  12 8 2 10 13 9 2 12 5 5 0 1 9 4 6 7 10 9 7 3

Q: Suppose the measurement of 800 items are normally distributed with mean 66 cm and standard deviation...

A:

Q: In a couple of sentences, elaborate what each concept mean in terms of statistical learning and data...

A: Various Terms of Statistical Inference and Data Mining are listed below Define Terms   a The va...

Q: Obtain the characteristic function of the normal distribution. Deduce the first four central moments...

A:

Q: 3 percent of the led lights manufactured by a company are defective, the probability that in a sampl...

A:

Q: . What is your decision (use a = 0.05) 5. What

A: From the given information,   Digital Undecided Analog under 30 6 4 2 Above 30 5 4 9   Nul...

Q: State whether the following statements are true or false :

A: Here use basic of measures

Q: Example 5 Mean of a binomial distribution is 20 and the variance is 16. Calculaten, pandq

A: Given;X~binomial(n,p,q)and Mean=20  i.e.  np=20    variance=16 i.e. npq=16

Q: A committee of two people needs to be chosen. There are two men and six women available to serve on ...

A: