3rd Data Set: 14,12,11,13,14,14,13,13,13,14,13,13,1,20 (SD=0.90)

Q: if 2 events A and B are independant and you know that P(A) = 0.75, what is the value of P(A|B)

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Q: 4, find the standard deviationi of the second. sub-group.

A: Here use formula of grouped standard deviation 

Q: Find the standard deviation from the following data : Age under No. of persons dying : : 10 20 30 40...

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Q: Find the class interval that contain the median

A: Given: No. of hours (h) Frequency 0≤h<1 4 1≤h<2 8 2≤h<3 11 3≤h<4 7

Q: Three students (A, B, and C) are asked to determine the volume of a sample of ethanol. Each stu meas...

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case yo...

Q: Find the margin of error for the given values of​ c, σ​, and n.   c=0.90​, σ=3.5​, n= 81

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Q: If X B(3,0.2), then P(X <3) is (round your answer to three decimal places)

A: Binomial distribution is given by

Q: elow are the scores of 50 students in Statistics Test. Construct a frequency distribution table. Sho...

A: Given:  56 48 47 42 52 58 42 37 68 40 32 46 45 41 38 34 54 57 61 53 26 45 46 44 50 30 40 56 44 39 21...

Q: The accompanying data represent the pulse rates (beats per minute) of nine students. Treat the nine ...

A: Here data given : for pulse rate of 9 students. We know : z score = (x-mean) /Standard deviation Fir...

Q: Assuming that a study on risk management practices among 848 entrepreneurs is being made and some of...

A: Given No. of entrepreneurs = 848 Some of the questions asked are their educational attainment, natur...

Q: Example 2-5. Obtain the median for the following frequency distribution: x : f : 1 2 3 4 6 7 i 16 15...

A: Data given  X Frequency 1 8 2 10 3 11 4 16 5 20 6 25 7 15 8 9 9 6

Q: couples are in a round table but men and women must sit alternately. In how many ways can this be do...

A:  * SOLUTION :-  Given that ,  6 couples are in a round table but men and women must sit alternately....

Q: What is the test statistic z? Ex: 1.23 ©

A: Given: Proportion to be tested p0=0.69 Sample size, n=193 No. of customers satisfied, x=146

Q: Construct the indicated confidence interval for the population mean μ using the​ t-distribution. Ass...

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Q: Use technology to construct the confidence intervals for the population variance σ2 and the populati...

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Q: . In the city's entire commercial area, there has been a problem with shoplifting in the March-May m...

A: The data shows that the variables x and y.

Q: 1) Researchers want the data they collect to rellable and valid, What do the terms *reliability" and...

A: Reliability- consistency  Validity - accuracy

Q: N=2000 A=1500 B =100 AB=350 TEST THE CONSISTENCY OF DATA

A: An attributes is the Characteristic possessed or dispossessed by the member of the population.

Q: The J. R. Ryland Computer Company is considering a plant expansion to enable the company to begin pr...

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Q: The owner of a café has recently surveyed a random sample of n = 250 customers of the café. She woul...

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Q: Use technology to construct the confidence intervals for the population variance σ2 and the populati...

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Q: A population of values has a distribution with u random sample of size n= 235.6 and o 32.1. You Inte...

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Q: 2. The principal of a high school wants to know how long his students spend doing homework at night ...

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

Q: Example 8.17 (Public Opinion Polling) We would like to estimate the portion of people who plan to vo...

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Q: A surveillance system is in charge of detecting intruders to a facility. There are two hypotheses to...

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Q: The following tablė gives the classification of Students accord- ing to sex and examination result. ...

A: Given that    Males Females Total Passed 30 40 70 Failed 20 10 30 Total 50 50 100

Q: • Question 2 Assume that a sample is used to estimate a population mean µ. Find the margin of error ...

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Q: Construct a boxplot for the data

A: arrange the data in ascending order data in ascending order is: 41.0, 45.0, 46.0, 53.0, 57.0, ...

Q: The table below shows the color and the model of cars purchased by 160 randomly selected customers a...

A: For the given data State the conclusion for the test.                                              ...

Q: We calculate a statistical power and find that it is 0.61. This means that if the null hypothesis is...

A: The power of test is defined as rejecting the null hypothesis when the alternative is true I.e null ...

Q: The following tablė gives the classification of Students accord- ing to sex and examination result. ...

A: Given that    Males  Females  Passed  30 40 Failed  20 10   Then we have to conduct hypo...

Q: A food truck near the University of Windsor specializes in healthy sandwiches. The sandwiches are pr...

A: According our policy we can answer only first three subpart for remaining please repost the question...

Q: opose are running a study/poll about the probability of a true negative on a test for a certain canc...

A: We have given that  Sample size n = 109 Favorable cases x =71 Sample proportion p^=x/n = 71/109 = 0....

Q: Given the following stem and leaf plot what is the median? 10 0                       11           ...

A: From the given stem and leaf plot, it is known that the number of observations (total leaves) is 34....

Q: Scoring a hole-in-one is the greatest shot a golfer can make. Once 4 professional golfers each made ...

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Q: The following is a monthly trend equation : Y. = 20 + 2X (Origin : Jan., 1992 ; X unit = One month ;...

A: Given:  Monthly trend equation  Ye=20+2*X  X unit =one month ,Y unit= monthly sales in.  Then conver...

Q: 1,400 were for Graduation and the rest for Post-Graduation (P.G.). Out of 1,400 Graduate students 10...

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Q: Table 2: Test Results Diabetic Not Diabetic Positive to urine test, negative to blood 7 3 Positive t...

A: Given information: Test Results Diabetic Not Diabetic Positive urine test, Negative to blood 7 ...

Q: The weather in Rochester in December is fairly constant. Records indicate that the low temperature f...

A: Let X be the temperature from uniform distribution with a = 15 ans b = 35 

Q: b) The following table shows the time students from a college took to complete a marathon. Time (min...

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Q: L Downloau Page < 16. One of the goals of psychology is to make accurate predictions about phenomena...

A: Hello thankyou for the question. According to our honor code can answer only three parts at a time. ...

Q: 1. School wants to know if academic performance is dependent on living arrangements of the students?...

A: It is needed to test whether the academic performance is dependent on living arrangements of the stu...

Q: Imagine that a candidate received 17% of votes, with a margin of error of ±4%. The point estimate is...

A: We have given that p = 17% Margin of error (E) = 4% 

Q: Based on information from a previous study, r1 = 30 people out of a random sample of n1 = 107 adult ...

A: Here is given that r1 = 30    r2 = 46    n1 = 107   n2 = 107 we will find proportions of both sample...

Q: Find the standard deviation from the following data : ge under lo. of persons dying : : 10 20 30 40 ...

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Q: The physical fitness of an athlete is often measured by how much oxygen the athlete takes in (which ...

A: X~N(μ=60, σ=7.9)  μ=mean σ=standard deviation  Note: This probability value calculated from standard...

Q: Match the hypothesis, df and alpha to the critical value(s) EH1: H #45, df = 38, a = 0.05 A. ±2.021 ...

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Q: Given the following contingency table, conduct a test for independence at the 10% significance level...

A: Given, Given the following contingency table, conduct a test for independence at the 10% significanc...

Q: A dress is on sale for $120. What was the original price of the dress if the discount was - of

A: Given: A dress is on sale for $120. Discount on dress = 14  

Q: MY NOTES PRACTICE ANOTHER Coal is carried from a mine in West Virginia to a power plant in New York ...

A: