How do I solve the last problem?

Q: Suppose I interview a random sample of 300 adults and ask them to assess their health, from “Poor” t...

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Q: . If Z is a standard normal random variable find the following probabilities (Use Standard Normal Ta...

A: Solution: Let Z be the standard normal variable with mean 0 and standard deviation 1.  Z~N(0, 1)  

Q: Let X be a binomial random variable with n = 20 and p = 0.1. a) Find the formula for the probability...

A: We have given that  Number of trials n=20 Success of probability p =0.1 X~binomial ( n ,p)   NOTE:- ...

Q: To reduce laboratory costs, water samples from four public swimming pools are combined for one test ...

A: There is a 0.009 probability of finding bacteria in a public swimming pool.

Q: that at most 4 out of 5 selected offspring will have two recessive genes?

A: here given in dihybrid cross, an offspring has a likelihood of 0.25 to have two recessive genes here...

Q: A company owned two small Bath and Body Goods stores in different cities. It was desired to see if t...

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Q: The following table shows the average annual income in a certain country, adjusted for inflation, fo...

A: Given that  The given problem is solved using excel regression 

Q: ОТЕ Notation Beta(a, B) Parameters a > 0 shape (real) EXTE Find B>0 shape (real) Support x E 0, 1] o...

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Q: P value < a/2, on a two-tailed hypothesis test would lead to rejecting H, O True O False

A: We have given that,  P- value  &lt; α/2, on a two - tailed hypothesis test would lead to rejecting H...

Q: 6. A measles outbreak has occurred in Barangay Onik. The head doctor in the barangay plans to conduc...

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Q: A random sample of students who completed the Census at a school survey was selected. Of the 227 in ...

A: Given,n=227x=84sample proportion(p^)=xnsample proportion(p^)=84227=0.3700

Q: From the adult male population of four large cities, random sample of sizes given below were taken a...

A: Solution is given:

Q: 1. Suppose a quality manager for XYZ Computers has collected the following data on the quality statu...

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Q: In a random sample of 1,001 adults, suppose I find that the Body Mass Index (BMI) is normally distri...

A: From the provided information, Mean (µ) = 27.7643 Standard deviation (σ) = 5.68310 X~N (27.7643, 5.6...

Q: A true-false test contains 24 questions. In how many different ways can this test be completed? (Ass...

A: Given,Total no.of questions=24

Q: Calculate the coefficient of correlation between X and Y from the following data and calculate proba...

A: The table shows X and Y values.  

Q: Calculate the standard deviation from the data given below : Size of item Frequency Size of item Fre...

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Q: 1llustration 12.13. (i) Given the trend equation Y=35+5X+3X2 w re 1968 =0 a nd X unit=1 year. Change...

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Q: Suppose that college faculty with the rank of professor at public 2-year institutions earn an averag...

A: The z-score for the mean that is inferred through a defined sample size of "n" is defined as: z=x¯-μ...

Q: 1llustration 12.13. (i) Given the trend equation Y 35+5X+3X2 w re 1968=0 a nd X unit=1 year. Change ...

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Q: that the numbers on them make up a certain four-digit number. Find the likelihood that when installi...

A: Here given , There are total four disks  And on each of the disk there are 5 sector Each sector cont...

Q: When bonding teeth, orthodontists must maintain a dry field. A new bonding adhesive called “Smartbon...

A: The test hypotheses are: Null hypothesis: H0: μ = 5.70 MPa Alternative hypothesis: H1: μ &lt; 5.70 M...

Q: What is the approximate percentage of buyers who paid between $1330 and $1470? % What is the approxi...

A: Let X be the random variable from normal distribution with mean (μ) = 1400 and standard deviation (σ...

Q: Example 2. A population comprises 3 members 2, 4, 6. What is the total number of possible amples of ...

A: Given that: Population size (N) =3 Sample size (n) = 2 Values are 2,4,6 By using simple random sampl...

Q: 1) Suppose the following model y; = B1 + u; Where u; is assumed to be normally distributed with mean...

A:   In simple linear regression the model contains a random dependent variable y and a hypothesized in...

Q: The mean annual cost of automobile insurance is $939. Assume that the standard deviation is = $245. ...

A: We have given that.   X~N( μ , ?^2 )   μ=939 , ?=245   , n/50   Z-score =( x - μ )/?   NOTE:- Accord...

Q: In Ms. Noime's math class there are 15 students out of which 4 will be selected to receive a special...

A: In question, Given that In Ms. Noime's math class there are 15 students out of which 4 will be selec...

Q: Suppose Y1, Y2, Y3, and Y4 are mutually independent and identically distributed exponential random v...

A: Given  Yi~exp(1)   

Q: You are interested in testing whether the average age of household heads is higher in the suburbs th...

A: From the provided information,

Q: Find the mode(s) for the data items in the given frequency distribution. Score, x Frequency, f 1. 2 ...

A: Given data is  score x 1 2 3 4 5 6 7 8 Frequency F 1 2 1 5 6 2 4 5

Q: Standard automobile license plates in a country display 2 numbers, followed by 3 letters, followed b...

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Q: A car hire firm has two cars, which it hires out day by day. The number.of demands for a car on each...

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Q: Use the data to the right to complete parts (a) through (d) below. Percentage Who Won't Try Don't Ap...

A: Given that; A data set is here  By using the formula of correlation coefficient (r)and regression co...

Q: If there are 10 multiple-choice questions on an exam, each having three possible answers, how many d...

A: From the provided information, There are 10 multiple-choice questions on an exam. Each question has ...

Q: (d) P(X > 7) = i (e) Determinex such that P(X < x) = 0.99. X = i

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Q: Example 2. From the fixed base index numbers given below, calculate the Link Relatives: Year: 2000 2...

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Q: "The weights of 1,000 children, in average, is 54kg with standard deviation of 17kg. Suppose the wei...

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Q: percentages of teehagers In varous Counties that hav certain drugs. Complete parts (a) through (c) b...

A: Given data, X Y X*Y X*X Y*Y 23 4 92 529 16 17 3 51 289 9 40 20 800 1600 400 5 1 5 25 1 ...

Q: If H, is false, the true or actual mean is equal the hypothesized mean, µ = µo %3D O True O False

A: From the above data the correct answer is  False   

Q: The data represent the results for a test for a certain disease. Assume one individual from the grou...

A: here total positive = 153 total negative = 147 total individual actually have disease = 164 total in...

Q: The Table below shows the average score of the150 students sampled from the University of the East E...

A: Given data is Score(out of 100) Number of students 40 - 49 19 50 - 59 32 60 - 69 49 70 - ...

Q: a) draw a scatterplot that is suitable for predicting test scores based on study time.please include...

A: Since you have asked multiple question we will solve first three subparts for you. To get remaining ...

Q: A sample of 2000 households is surveyed for their purchase behavior for mobile phones. Table 1:   ...

A: The sample space is the set of all possible responses of 200 households surveyed. Simple event is th...

Q: c. If X has a geometric distribution with success probability p. Show that for any positive integer ...

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Q: 30 20 10 5 10 15 DATA (a) Is this data skewed to the right, symmetric, or skewed to the left? (Enter...

A: Skewness is used to measure the shape of the distribution. There are three types of skewness, they a...

Q: Suppose the following model Yi = B1 + ui Where Ui is assumed to be normally distributed with mean ze...

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Q: Let x be a random variable that represents the batting average of a professional baseball player. Le...

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

Q: 1. Following data consisting missing observation (X) Commodities Po P1 А 1 10 2 В 1 5 where p and q ...

A: Solution is given:

Q: A die is rolled twice. What is the probability of showing a 3 on the first roll and an even number o...

A: if we roll a die twice than the possible outcomes are1,11,21,31,41,51,62,12,2(2,3)2,42,52,63,13,23,3...

Q: On five exams, Rachel has a mean score of 80 points. Her lowest score was 50.  If this score is drop...

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