Which graph below corresponds to the following hypothesis test?H0:μ≥5.9, Ha:μ<5.9 Select the correct answer below:     A normal curve is over a horizontal axis and is centered on 5.9. A vertical line segment extends from the horizontal axis to the curve at a point to the left of 5.9. The area under the curve to the left of the point is shaded.     A normal curve is over a horizontal axis and is centered on 5.9. A vertical line segment extends from the horizontal axis to the curve at a point to the right of 5.9. The area under the curve to the right of the point is shaded.     A normal curve is over a horizontal axis and is centered on 5.9. Vertical line segments extend from the horizontal axis to the curve at a point to the left and a point to the right of 5.9. The areas under the curve to the left of the point left of 5.9 and to the right of the point to the right of 5.9 are shaded.

Q: Compute for the appropriate test statis a. n= 17;8 = 8; µ = 7.4; s = 0.5 0.125 b. n= 40;& = 6.24; µ…

A: a) The population standard deviation is unknown. Therefore, we should use t test statistic.

Q: An energy company wants to choose between two regions in a state to install energy-producing wind…

A:

Q: 45. What is the length of the confidence interval given the following data: o = 0.5, n = 70,…

A: 45)Givenσ=0.5n=70confidence level = 95%

Q: Q2 At a site, the clepith of the sand layer was measured for 10 points, and the results were as…

A: x 1.55 2.41 2.91 3.26 3.41 3.73 3.84 3.99 4.02 4.13   The mean is given by…

Q: Draw and Shade the normal curve, find the percentage of that shaded part and find the number of…

A: GivenMean(x)=480sample standard deviation(s)=50

Q: The test statistic of z equals 1.86 is obtained when testing the claim that pnot equals 0.778.…

A: GIVEN DATA  Z = 1.86 claim : p ≠ 0.778 here two tailed test.  we have to find p value.

Q: (a) Construct a 95% confidence interval (in kilograms) for the population mean mass for adult male…

A: Given Data : Sample Mean Xˉ\bar X = 88.888.8 Sample Standard Deviation (s)(s) = 16.116.1 Sample…

Q: In a survey of 399 randomly selected households conducted in the U.S., it was found that 158 of the…

A: Given, The objective is to find the best point estimate of the proportion of households that have…

Q: Consider a value to be significantly low if its z score is less than or equal to −2 or consider a…

A:

Q: Sampies OF Companies was CollecRd wosc RUewes n millions) 25, 2,51 4.tj6.7 WAS Carlected as Snown…

A: Mean: The mean is the sum of observations divided by number of observations. that is, Mean = x = Sum…

Q: The statistical hypothesis for a test on a mean is given below, along with the reduced difference…

A: From the above data The descriptive threshold is 0.0708

Q: Average speed on a freeway is  80  mph.   Among all vehicles 65% drive 8 miles above the speed limit…

A:

Q: set so that the true average diameter of the bearings it pro- duces is .500 in. A bearing is…

A: Let X be the diameter of the bearing.Given that, X is normally distributed with mean µ=0.499 inches…

Q: What is the Z score? X is 24, mean is 9.5137615, and standard dev is .4.2505221

A: Given Information: x = 24,  μ=9.5137615, σ=4.2505221 z-score is a standardized value that specifies…

Q: c) Find the test statistic or test value and give the corresponding p-value Proportion Stat:…

A: Here we have to solve part (e) of the question From the given table we have P-value = 0.5223…

Q: 1) Are low-fat diets or low-carb diets more effective for weight loss? A sample of 78 subjects went…

A: There are two independent samples which are low-carbohydrate diet and low-fat diet. We have to test…

Q: Draw out a P chart using the following table.  The number of EVs are the defects.   Mean proportion…

A: Provided data:

Q: 99% 95% 90% 1% 5% 10% Left- tailed Sketch of the Curve Right Tailed Sketch of the Curve Sketch of…

A: The z normal curve is in the form of bell shaped. It has two type of tailed test, they are one…

Q: A researcher investigating the factors related to a country's economic growth between 2005 and 2010…

A: A researcher investigating the factors related to a country's economic growth between 2005 and 2010…

Q: What is the adjusted p-value between the shade treatment and the dark treatment? $Treatment…

A: A table of inferential statistics is given.

Q: Assume that adults have IQ scores that are normally distributed with a mean of 100.3 and a standard…

A: Assume that adults have IQ scores that are normally distributed with a mean of 100.3 and standard…

Q: Mean М (a) For these data, which measures of central tendency take more than one value? Choose all…

A: Let, X: The maximum time for completion of an intelligence test. Given data is, X 21 27 32…

Q: None

A: Step 1:Given that  Initial TCLP concentrations:6.1, 4.2, 5.8, 6.5 true population mean is 95%  The…

Q: The average height of students in a freshman class of a certain school has been 168.67 cm with a…

A: Given, Population mean, μ= 168.67 cm Population standard deviation, σ = 8.67cm Sample size, n = 49…

Q: 21. Maple tree diameters in a forest area are normally distributed with a mean of 10 inches and a…

A: Please refer to the solution in next step.

Q: What is the appropriate conclusion for this test? OA. Reject Ho and conclude that the average…

A: The test statistic is -1.65. The critical region is  or .

Q: 7. P(-1.25 ≤ Z≤ 2.80) 8. P(Z ≤ 0.98) 9. P(1.50 ≤Z ≤ 2.75) 10. P(1.17<Z≤ 3.12)

A: Given7)P(-1.25≤Z≤2.80)

Q: B. The test statistic z=2.41 is 06tained when testing the claim that p7. 2 A. left tailed, rig ht or…

A:

Q: Fill in the blanks to complete the following statements. (a) For the shape of the distribution of…

A: We have to find requirement and mean of sample propertion.

Q: What percent of the N(161.59, 48.96) distribution is below 100? (Enter your answer rounded to two…

A:

Q: Do Men and Women Have the Same Mean Body Temperature Consider the sample of body temperatures (°Fin…

A:

Q: terpret the interval. O We cannot draw a conclusion from the given information. O We are 95%…

A: Solution Given That, A report included the following information on the heights (in.) for…

Q: A manufacturer claims that the mean amount of juice in its bottles is 16.1 ounces. A consumer…

A: Type I error :- H0 is true but get rejected

Q: Claim: The mean systolic blood pressure of all healthy adults is less than than 123 mm Hg. Sample…

A: Given,sample size(n)=285sample mean(x¯)=122.77standard deviation(s)=15.62H0:μ=123H1:μ&lt;123

Q: form a t-test (signiticance level a - 0.05) to test your null hypothesis and compare systolic blood…

A:

Q: Helen, a lab technician, randomly assigns 15 rats to receive a high protein diet and 11 rats to…

A: Given: t-statistic: T-Value=0.8963 Degrees of freedom DF=18 This corresponds to a two tailed test.…

Q: Assume that a randomly selected subject is given a bone density test. Bone density test scores are…

A: Obtain the 7th percentile of the distribution.   The 7thpercentile of the distribution is obtained…

Q: d) If, instead, the students are interested in using the height of the beans to predict the width,…

A: The dependent variable y is width of the beans and the independent variable x is height of the…

Q: q12- A point estimate is defined as: Select one: a. the average of the sample values. b. the…

A:

Q: b) Calculate the sample standard deviation c) Using the p value approach at the 1% level of…

A: Given: ∑x=205∑x-x¯2=56.43n=50α=0.01Thus,x¯=20550=4.1 Part b: The sample standard deviation is…

Q: I want to es Low many stu at I am within

A: 3) Given, Confidence level=0.92 The margin of error (E) = 0.01

Q: Calculate the absolute value of the test statistic. number (rtol=D0.01, atol=D0.0001) Calculate the…

A: A sample should be the best representative of the population under study. Therefore we must be very…