21. Paasche's index number for 2006 iš : (A) 115.23 (B) 125.23 (C) 135.23 (D) 105.23

Q: a. On average, how many men should the researcher expect to check before finding one who is colorbli...

A: here given p =probability of male is colorblind = 0.08 here geometric distribution  p(x=n) = p(1-p)n...

Q: Fit the straight line trend to the following figures by the method of least squares : Year : 1975 19...

A: Data  Let Years=X , Y=sales in 000 tonnes   

Q: If n=26, ¯xx¯(x-bar)=43, and s=9, find the margin of error at a 98% confidence level Give your answ...

A:

Q: 11) What is the percentage of players whose height is less than 70 inches? pos) 12) What is the perc...

A:

Q: Find out the coefficient of mean deviation in the following series : Age in year : 0-10 10–20 20-30 ...

A:

Q: A clinical trial is run to assess the efficacy of a new drug to reduce high blood pressure. Patients...

A: We have to find prevalence of hypertension of patients at the end of the trial.

Q: Calculate mean deviation (from mean) from the fóllowing data : Size of items 34 4-5 5-6 6-7 7-8 8-9 ...

A:

Q: uppose that the walking step length of an adult males are normally distributed with a mean of 2.7' a...

A: Given: μ=2.7σ=0.4

Q: 1. The data in the file represent egg and cheese symbolizes the total fat, in grams per serving, for...

A: Given data in sorted order :  3,5,7,8,15,18,19,21,22,23,24,25,29,29,29,30,31,33,41,55 n = 20    

Q: Assume that a sample is used to estimate a population proportion p. Find the 95% confidence interval...

A:

Q: You wish to test the following claim (HaHa) at a significance level of α=0.005α=0.005.       Ho:μ=85...

A: Givenα=0.005H0:μ=85.9Ha:μ>85.9n=6M=89.6SD = 9.1

Q: Find the probability that somebody is healthy given that they have positive test result?

A: Let us define some events A : somebody has COVID. B : somebody is healthy. E : somebody has positive...

Q: Given a population where p = 0.10, find the standard deviation of the sampling distribution (aka the...

A: Given,p=0.10q=1-0.10=0.9

Q: DProblem 18. Calculate M.D. (take aeviations from mean) from the following data : 4 2 8 10 x: f : 1 ...

A:

Q: What is the correlation coefficient for this data set?

A: here given trend line  y=−92.19x+21.26 here slope = -92.19 slope and correlation coefficient have sa...

Q: C. P(no low-sugar available or less than 400ml) D. P(no low-sugar available and less than 400ml)

A:

Q: b) The following data shows the number of hours slept by a patient in 1 weeks 12 18 09 16 11 10 08 i...

A: From the provided information, Number of observations (n) = 7

Q: Use the z-table to find the area that corresponds to each of the following z-scores. 1. z=.35 2. z=1...

A:

Q: Use graphical sensitivity analysis. What is the Expected Value of Decision C when the probability of...

A:

Q: A random sample of size 40 was drawn from a normal distribution with the mean 50 and standard deviat...

A:

Q: When the population mean ( 'µ') is not equal to specified value of , then the alternative hypothesis...

A: There are 2 hypothesis in hypothesis testing: Null hypothesis  Alternate Hypothesis

Q: study of the accuracy of fast Tood drive-through orders, Restaurant A had 225 accurate orders and 69...

A: Given data,No of orders n=225orders were not accurate is x=69Construct a 95% CI?

Q: Find the t critical values using the information in the table. set hypothesis ? df a) ? > 0 0.025 ...

A: The decision in the hypothesis test can be done using two methods. They are either critical value ap...

Q: 1. Derive the least squares estimator of Bo for the regression model Y; = Bo + Ei.

A: Given that, 1.  Regression model:-  Yi = βo + εi We need to derive the least squares estimator of βo...

Q: Given the provided data, identify if there has been a change in the prevalence of hypertension in th...

A: It is given that 15% of adults from the province of Realeza are hypertensive. A survey was conducted...

Q: each probability expression, find the unknown z-value(s). Unless directed otherwise, use three decim...

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

Q: Q6. In the following diagram: Họ: µ = 4 ; H1: µ = 1. (X) Ho Rejection region Non-rejection region Ex...

A: Given null and alternate hypothesis asH0: μ=4H1:μ=1 The rejection region in the given graph is regio...

Q: Testing: H0:p=0.59H0:p=0.59 H1:p>0.59H1:p>0.59 Your sample consists of 105 subjects, with 59 success...

A: GivenH0:p=0.59H1:p>0.59x=59n=105

Q: Four coins are tossed simultaneously. What is the probability of geting (i) 2 heads and 2 tails (ii)...

A: Given: Four coins are tossed simultaneously.  When 4 coins are tossed , 16 outcomes are possible. HH...

Q: b) Calculate the ste ady state probabilitýes der a transiton with the fallawing probabilities. (0.6 ...

A: (B) transition matrix

Q: Two independent random variables, X1 and X2, follow Negative Binomial distributions with parameters ...

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

Q: Show proof of the following. Provide all derivations used. 1. A binomial distribution is symmetric a...

A: Given that We have to show that  1. A binomial distribution is symmetric at p = 1/2 and approaches s...

Q: In a five children family, find the probability that there will be at most 4 boys.

A: Given There are 5 children in a family.

Q: The number of people arriving per hour at the emergency room (ER) of a local hospital seeking medica...

A: NOTE-AS PER POLICY I HAVE CALCULATED FIRST MAIN QUESTION ONLY Here Given  The number of people arriv...

Q: On the Standford-Binet test, the mean IQ is 100. A class of 21 kindergarten pupils were tested with ...

A: Given Mean(x)=94standard deviation(s)=9.12sample size(n)=21confidence interval = 90%

Q: Assume that a sample is used to estimate a population proportion p. Find the 99.9% confidence interv...

A: Given data,Sample size is n=216Success is x=147Construct 99% CI?

Q: squares from the data given below and estimate the sales for 1983: Calculate trend values by the met...

A:

Q: In a class of 50 students, 10 have failed and their average of marks is 2 5. The total niarks secure...

A:

Q: The volume of blood in an adult human body follows a normal distribution with a mean of 5.2 liters a...

A:

Q: A self-publishing novel writer is looking for book printing services. There are two shops, PrintO an...

A: 1. There are two shops, PrintO and iBook, for book printing services. The number of defects per prin...

Q: (i) How much would you expect the advertisements to cost per day? (ii) Calculate the standard deviat...

A: A company advertise their products on Instagram. The number of times their advertisements are clicke...

Q: A computer manufacturing company claims that only 7.5% of their computers are returned. Kelly thinks...

A:

Q: A statistical procedure in determining which hypothesis is more acceptable as true or which hypothes...

A: HERE USE basic  hypothesis testing 

Q: A genetic experiment with peas resulted in one sample of offspring that consisted of 439 green peas ...

A: Given: n=439 green peas x=161 yellow peas

Q: In a normal distribution with the mean = 8 minutes and variance = 9. Find the value of m value where...

A: Solution

Q: In a five children family, find the probability that there will be at least 4 boys.

A:

Q: Q10. X is a random variable with an unknown distribution with a mean, u and a variance, o. X is the ...

A: We have given that X be a random variable with an unknown distribution with mean μ and a variance  σ...

Q: A bag contains 7 red, 12 white and 4 green. balls. What is the probability that: (a) 3 balls drawn a...

A:   There are 7 red, 12 white and 4 green. Thus total number of balls is 23.

Q: Random error causes data to be scattered more or less symmetrically around a mean value while system...

A: here use basic of error

Q: From 5 statisticians and 6 economists, a committee of size 6 is to be formed. How many different com...

A: From 5 statisticians and 6 economists, a committee of size 6 is to be formed there are total 11 pers...