Can you help me with this two question, this is my last question thank you

Q: Intelligence quotas on two different tests are normally distributed. Test A has a mear and a standar...

A: Given data,For Team AMean μ=100sd    σ=16Individual score is x=132For Team BMean μ=100sd    σ=13Indi...

Q: The Department of Health is conducting random drug testing in a barangay in relation to their age. h...

A: Given information: It is given that the department of health is conducting random drug testing in a ...

Q: Exercise 1,2. Below are the areas under the normal curve within the given interväls. shade the regio...

A: Given,P(0<Z<z)=0.4582

Q: In the following probability distribution, the random variable x represents the number of activities...

A: Solution-: We find, (c) Mean of the random variable (d) The standard deviation =?  (e) P(a parent in...

Q: Q. 20. Find out mode from the following : Values X : 10 12 15 20 25 30 35 Frequency : 7 8 10 15 11 7...

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Q: The following are the index numbers of prices (2002 = 100). %3D Year Index Year Index 2002 2003 2004...

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Q: mean of x = 2.882, standard deviation = 1.634  Mean of y = 2.588, standard deviation = 0.246 The c...

A: Given that  mean of x = 2.882, standard deviation = 1.634    Mean of y = 2.588, standard deviation =...

Q: Seven of the 100 digital video recorders (DVRs) in an inventory are known to be defective. What is t...

A: Given that ; Seven of the 100 digital video recorders (DVRs) in an inventory are known to be defecti...

Q: Let {X;} be i.i.d.~ Exp(0) and a; > 0. Denote by Z = min{a,X1,..., amX,}. Suppose that 0. Prove that...

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Q: a) The prime Minister of a small Caribbean Island stated that 95% of the population was vaccinated f...

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Q: The following are the monthly figures of advertising expenditure and sales of a firm. It is generall...

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Q: Activity 1 The following are the age (in years) and systolic blood pressure of 20 apparently healthy...

A: Correlation are used to measure the strength of association between the two numerical variable. The ...

Q: Suppose we have two groups of students, those who go for tutoring help and those who do not. The fol...

A: The appropriate test statistic is to be formulated for concluding if the math scores between both gr...

Q: A jar contains 10 red marbles numbered 1 to 10 and 12 blue marbles numbered 1 to 12. A marble is dra...

A: The appropriate probability for the event (i.e., the random draw of marble) is to be evaluated, byco...

Q: mean of x = 2.882, standard deviation = 1.634  Mean of y = 2.588, standard deviation = 0.246 The c...

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Q: A perfect straight line sloping downward would produce a correlation coefficient equal to: O A. -1 В...

A: Given that ; A perfect straight line sloping downward would produced a correlation coefficient.........

Q: Suppose portfolio mean return is 25% and standard deviation 30%. Find the 2 standard deviation range...

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Q: Each user on a computer system has a password, which is seven to nine aracters long, where each char...

A: Given: Number of characters in a password = 7, 8, 9 n(letters) = 26 n(digits) = 10 n(total) = 36 Pos...

Q: The population mean and standard deviation are given below. Find the indicated probability and deter...

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Q: Motorola used the normal distribution to determine the probability of defects and the number of defe...

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Q: Follow -up Questions: 1. What will happen to the sample size if the percentage error becomes lower e...

A: What will happen to the sample size if the percentage error becomes lower e.g. 5% instead of 10%?

Q: (d) Find the area under the standard normal curve that lies to the left of -1.68. answer:  (e) Find...

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Q: Holding a variable constant is a technique for removing one threat to_ but it can limit the A. exter...

A: Here option D is correct. Holding a variable constant is technique for removing one threat to intern...

Q: How do I solve the last problem?

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Q: The following are the index numbers of wholesale prices of a commodity based on 2011: Year Index Num...

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Q: Determine the value of z* such that it satisfies the conditions below. (Round your answer to two dec...

A: We have to find z* such that it satisfies the condition below 

Q: For each of the following, list the sample space and tell whether you think the events are equally l...

A: Given,Roll two dice.

Q: The table below gives U.S. lead emissions, L, into the environment in millions of metric tons for 19...

A: Introduction: The predictor variable is t, the number of years since 1970, that is, t = Year – 1970....

Q: Explain the difference between a no-treatment control group and a placebo control group. Why are stu...

A: A treatment is a stimulus that is assigned to the subjects of the experiment in order to record thei...

Q: A survey was conducted at a local ballroom dance studio asking students if they had ever competed in...

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Q: 17. Flipping a quarter three times. What is the chance of getting (in order) a) heads, tails, heads ...

A: Given that ;  A quarter i. e. A coin is toseed 3 times  Total outcomes = 23 = 8 By using basic proba...

Q: Sampling Distribution: fill in the blanks 1. The estimated value of parameter is called _____. 2. ...

A: The aim is to fill in the blank   

Q: 3.32 Arachnophobia: A 2005 Gallup Poll found that 7% of teenagers (ages 13 to 17) suffer from arachn...

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Q: As the table shows, projections indicate that the percent of adults with diabetes could dramatically...

A: For the given data ( a ) Find a linear model (b ) predict when x=32 ( c ) predict the percent

Q: From the following data construct an index for 2016 taking 2017 as base : Commodity Price in 2016 Pr...

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Q: The coefficient of variation is relative -4 * deviation and measure of probability only FO أخرى هذا ...

A: Given that  We have to find whether the statement is TRUE or FALSE  The coefficient of variation is ...

Q: The article "Probabilistic Risk Assessment of Infrastructure Networks Subjected to Hurricanes"t sugg...

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

Q: Exercise 4.1. The average weekly income of 1,500 workers is PI,500 with a standafa N pesos. Assuming...

A: Given: μ=1500σ=80x~N(1500,802)

Q: Below, n is the sample size, p is the population proportion, and p is the sample proportion. First, ...

A: GIvenn=147p=0.18

Q: Among 400 randomly selected drivers in the 20-24 age bracket , 8 were in a car crash in the last yea...

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

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Q: B. Complete the frequecy distribution table and find the measures of dispersion Class Interval Frequ...

A: Given data is  Class Interval Frequency cf 5 - 9 7 7 10 - 14 10 17 15 - 19 13 30 20 - 24 ...

Q: Test the significance of regression coefficient b at 1% level of significance

A: Regression equation : Y = a + bX + e is the regression equation. The value of the Dependent variable...

Q: A management is faced with the problem of choosing one of three products for manufacturing. The pote...

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Q: The piston diameter of a certain hand pump is 0.4 inch. The manager determines that the diameters ar...

A: Given The data is as follows: Pop mean, μ=0.4Pop sd, σ=0.007Sample size, n=21Sample sd, s=0.0048α=0....

Q: llustration 13.7. Construct the cost of living index number for the year 1966 from the following dat...

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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: After rolling doubles on a pair of dice three times in a row, your friend exclaims, "I cannot get do...

A: The outcomes for each of the die is {1, 2, 3, 4, 5, 6}.

Q: Calculate the coefficient of correlation from the following data and comment on the result: Experien...

A: We have given that,  Experience    (X) :- 16, 12, 18, 4, 3, 10, 5, 12 Performance (Y) :-23, 22, 24, ...

Q: per month and in each section of a factory are given below. Calculate the mean The number of workers...

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