8 + 7(42 - 3)

Q: p. If 441 candies are randomly selected, find the probability that their mean weight is at least 0.8...

A: Let M denote the mean weight of the sample of n = 441 candies. Then the distribution of M is N(meanM...

Q: A common design requirement is that an environment must fit the range of people who fall between the...

A: Formula : Z =(X - μ)/σ

Q: Consider the following data related to the discrete random variable X: x 7 82 49 P(x)...

A: Given, Probability distribution of random variable X. We have to find out the variance of X, i.e Var...

Q: What is the target sample size for a population of 3,500 people with a standard value of 1.65 and a ...

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Q: A survey found that women's heights are normally distributed with mean 63.2 in. and standard deviati...

A: GivenWomen's height are normally distributedMean(μ)=63.2standard deviation(σ)=2.1Men's height are no...

Q: calculate all of the measures of variation that are appropriate.

A: Here measures of variation  IQR  Range  Variance  Standard deviation 

Q: The time it takes to hand carve a guitar neck is uniformly distributed between 110 and 190 minutes. ...

A:

Q: Based on her numbers, what is the probability that customer selected at random is a woman and she pu...

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Q: produces false positives with a probability of 0.02. If a person tests positive for the disease, wha...

A: Here use tree diagram and Bayes rule  D = PERSON HAVE DISEASE  T = TEST RESULT POSITIVE  p(D) = 0.00...

Q: Assuming y is the dependent variable and x is the independent variable in a linear relationship, fin...

A: Formula : r = b1 * (sx/sy) 

Q: n Chapter 3, you learned  that  in a counting experimen t, the uncerta inty associated with a counte...

A: Given: 10, 13,  8, 15,  8, 13, 14, 13, 19,  8  

Q: The following are the shoe sizes (inches) of 20 female students in SMU Senior High School: 6.4 7 8.1...

A: We have given that the following data 5,6.4,7,8.1,5.8,7.5,9,8.5,7.2,6.9,6.75,9.15,6.2,8.1,7.17,5.76,...

Q: Which graph represents P81? Choose the correct graph below. O A. O B. The temperature for P81 is app...

A: Let Z denote the readings on the thermometre. Given that Z follows N(0,1)

Q: Construct the price index number for the year 1997, from the following information taking 1996 as ba...

A:

Q: How many chords can be drawn given 6 points on a circle?

A: Given that  How many chords can be drawn given 6 points on a circle:   

Q: Let X represent the number of homes a real estate agent sells during a given month. Based on previou...

A: Given P(0)=0.62P(1)=0.21P(2)=0.13P(3)=0.03P(4)=0.01

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Q: In one case a byte is defined as a sequence of 8 bits. Each bit can be either zero or one. How many ...

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Q: negatively associated in each of the following cases : Find if A and B are independent, positively a...

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Q: A local bakary has determined a probability distribution for the number of cheesecakes that they sel...

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Q: The test statistic is .

A: For pond 1 given data : 37.02,37.36,37.01,37.32,36.72,37.45,38.85

Q: Two samples of scores on a survey are as follows: Sample A: 10 7 6 Sample B: 183 10 112 7 28. What i...

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Q: Activity 1: Draw Where I Am Directions: Find the area under the normal curve in each of the followin...

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Q: 8. Suppose Jack has 1 red ball, 1 orange ball, 1 blue ball, 1 yellow ball, 1 black ball and 1 green ...

A: Given that  Jack has  Red ball = 1 Orange ball = 1 Blue ball  = 1 yellow ball = 1 black ball = 1 Gre...

Q: Twelve of the top 20 finishers in the 2009 PGA Championship at Hazeltine National Golf Club in Chask...

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Q: restion 2 Events A and B are independent and P(A)= 0.3 and P(B)=D 0.8 Find the probability of the fo...

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Q: Describe the variables in this research objective 'Do body weight, calorie intake, fat intake, and a...

A: Solution: Answer : it has three  dependent variables and one independent variable

Q: A collar manufacturer is considering the production of a new collar to young men. The following are ...

A: It is given that the neck circumference of a typical group of the college students are: Mid value...

Q: (i) What is the probability that a consumer selected at random preferred brand A?  (ii) What is the...

A: Here 

Q: A committee of 4 people is to be appointed from 3 officers of the production department, 4 officers ...

A: Note: There is a small typo in the question. Sales department was mentioned 2 times and purchase dep...

Q: Which of the non-parametric test for ordinal data is the best to use in the given scenario? An expe...

A: In the given problem, an experiment was conducted to compare the strengths of two types of elastic b...

Q: TRUE OR FALSE. Though non-parametric tests are generally more efficient than their parametric counte...

A: We have given that,  Though non-parametric tests are generally more efficient than their parametric ...

Q: In a linear regression model, calculate the slope of the line, b1, when the correlation coefficient ...

A: The formula to calculate slope of line is as follows : b1 = r×sysx

Q: In each 4 games, team A have 60% chance of winning. If each game is independent of each other, what ...

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Q: India has 20 nuclear reactors. What percentile is this? Round the answer to the nearest whole number...

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Q: 8. Suppose Jack has 1 red ball, 1 orange ball, 1 blue ball, 1 yellow 1, 1 black ball and 1 green bal...

A: Given :  jack has 1red ,1 blue,1 orange,1 yellow,1 black and 1 green ball then no of arrangement to ...

Q: Find r2 if the correlation coefficient is 0.92.   Only round your final answer to 2 decimal places.

A: Given: correlation coefficient r=0.92  Then calculate the coefficient of determination (r2) ??

Q: A jar contains 4 red marbles numbered 1 to 4 and 6 blue marbles numbered 1 to 6. A marble is drawn a...

A: Given jar contains  4 red marbles numbered 1 to 4 6 blue marbles numbered 1 to 6. A marble is drawn ...

Q: Sally works at a bookstore. Out of boredom, she keeps track of the number of men and women who visit...

A: General formula of probability ,  Probability =Number of favorable outcomes Total outcomes

Q: Use this information to answer #19 - #23: A sample of 10 Psychology students at UNCP students were a...

A: Solution: The sample of observations are  0, 1, 0, 1, 2, 3, 5, 4, 0, 6 n= 10 observarion  The lowest...

Q: In one case a byte is defined as a sequence of 8 bits. Each bit can be either zero or one. How many ...

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Q: A common design requirement is that an environment must fit the range of people who fall between the...

A: as per our company guidelines we are supposed to answer only first part. Kindly repost other parts i...

Q: Discussion: The demographic profile will aid in the understanding of changes in the total population...

A: Since you have posted a question with multiple subparts, we will solve first three subparts for you....

Q: Five hundred children participated in a field demonstration. Their heights have an average of 110 cm...

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Q: Giving a test to a group of students, the grades and gender are summarized below A В Total Male 15 4...

A: According to the given information, we have   A B C Total Male 15 4 11 30 Female 5 10 16 31 ...

Q: Assume that military aircraft use ejection seats designed for men weighing between 134.1 lb and 208 ...

A: Let X represents random variable which represents women's weight  X ~ N(μ=166.5, σ2=47.32) (a)We hav...