If AB = 9 and CD = 12, find the ratio of the areas of: b. AAED and ADEC a. AAEB and ADEC B E D C

Q: e. For the 45 customers, find the probability that their average spent is more than $7.3424. 0.5514…

A: Explanation: e). The probability that 45 selected customer will spend more than 7.3424 is = P(X >…

Q: You want to see if it makes a difference which lane to be in when there is traffic. You randomly…

A: d. Degrees of freedom: df=number of categories-1   =4-1   =3

Q: Two events A and B are such that P(A) =0.25, P(B) = 0.4 , and P(AUB)3D0.5. Draw a Venn diagram to…

A: From the given information, PA=0.25PB=0.4PA∪B=0.5 The required Venn diagram is shown below:

Q: 1. Researchers compared the effectiveness of a mood induction technique. They believed that more…

A: First we find ANOVA to test whether three groups differ significantly or not. SS within= SS1+SS2+SS3…

Q: d. Find the 77th percentile for the mean score for this sample size. e. P(21.9204 < ữ < 22.6932) =…

A: d. The 77th percentile for the mean score for this sample size is,…

Q: (c) State the critical region. (d) You find that the test statistic value is +0.41. Based on your…

A: We have given that  Sample size n= 15 ,  Null and alternative hypothesis  H0 : mu= 47  H1 : mu&lt;…

Q: Without graphing, compare the graphs of the indicated functions from the given function. 3. f(x) =…

A:

Q: What is the final conclusion?

A: a) Two tailed test.

Q: Vectors r, s, t, u, and v are shown on the graph. > r S t Which of the following vectors is…

A: The vector that is 34v is shorter than v as the magnitude of the vector is also short by a factor of…

Q: Parallel vectors are shown in the graph. V S u

A: Since (-3/4) shows that vector has negative sign ,   which means its direction is decreasing or…

Q: Convert each of the following z intervals to x intervals. (d) -2.17<z (e) z< 1.28 (f) -1.99 <z< 1.44

A:

Q: r A D C

A: We have given a diagram;

Q: What is the confidence level of each of the following confidence intervals for u? Complete parts a…

A: d)  z-score=1.282   Using the standard normal distribution table…

Q: (c) H:s ≤ 0.30 (d) H: Yes, this statement is an assertion about the value of a parameter. Yes, this…

A: Note : Parameters are population characteristics while statistic is sample characteristic.

Q: According to an airline, flights on a certain route are on time 80% of the time. Suppose 10 flights…

A: Given that, according  to an airline, flights on certain routes are on time 80% of the time. 10…

Q: f(x,y) = /1+9ry, y = r³ for 0 < x < 1. (line integral for a function of two variables is computed…

A: NOTE: According to guideline answer of first question can be given, for other please ask in a…

Q: Let X be the set of all triangles formed from the vertices of the regular hexagon; note that there…

A: Given that:Let X be the set of all triangles formed from the vertices of the regular hexagon.To…

Q: Question 2: Two opposing provincial members of parliament are debating the merits of increasing…

A: The data given is as follows Operating budget (X) Number of graduates (Y) 5.2 13 7.3 16 3.5…

Q: 3. Suppose you are testing Họ: µ = 13 versus H1: µ 7 13. The sample is small (n = 12) and the data…

A: Given data n = 12 test statistic t = -2.103 d) p-value = 0.059(Using Excel = T.DIST.2T(2.103,11))…

Q: help with part  a  b c d

A:

Q: D= E= F=

A: Part D. The test statistic for slope(S2009) is, t=CoefficientStandard error=1.12510.1909=5.8937…

Q: (c) Are the results the same if you apply MAE as the measure of accuracy? (Round your answers to two…

A: Data for time series value is given according to weeks, We have to calculate MAE, MAPE

Q: A 2010 Pew Research poll asked 1,306 Americans "From what you've read and heard, is there solid…

A: Given: A 2010 Pew Research poll asked 1,306 Americans "From what you've read and heard, is there…

Q: A B E

A:

Q: The domain and target set of functions f and g is R. The functions are defined as: f(x) = 2x + 3 •…

A:

Q: Lot Conforming Nonconforming A. 83 20 B 172 40 263 39 Send data do to Excel (a) What is the…

A: Given that, The contingency table as follows: Lot Conforming Non conforming Row Total A 83 20…

Q: Figure 2. Road Sign Assembly A diamond shape road sign is 0.25 in thick, which is supported by 2…

A: