Month Demand January 89 February 56 March 60 April 60 May 49 June 38 July 23 August 14 eptember 83 October 53 lovember 59 December 91 January Alpha 0.5 Fcst Beta 0.3 Trend Adjusted Forecast MADI Exp Smooth Adj. Fcst. Deviation Deviation
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- Mail v A Mulah a v Cource O Do Homework - 4.2 - Personal - Microsoft Edge https:// A https://www.mathxl.com/Student/PlayerHomework.aspx?homeworkld%3605836811&questionld-D4&flushed%-false&cid%36630729¢erwin=yes lath 24 2021 Fall CRN 45556 Math 2413-10 Remote 10-1140 Zeltzin Soriano &| 10/29/21 2:00 PM Question 4, 4.2.47 E Homework: 4.2 HW Score: 83.33%, 5 of 6 points O Points: 0 of 1 Save Part 1 of 4 Consider the quadratic function f(x) = Ax2 + Bx +C, where A, B, and C are real numbers with A+0. Show that when the Mean Value Theorem is applied to f on the interval [a,b], the number c guaranteed by the theorem is the midpoint of the interval. f(b) - f(a) Apply the Mean Value Theorem to f(x) on [a,b]. First, find b-a B0/21 f(b)- f(a) 29/21 b-a 3% (5 mited Fect yoSuppose you want to estimate the percentage of stat students who passed the departmental final exam. You take a sample 50 stat students and grade their finals first to get an estimate Match the following: all stat students v 50 stat students the percentage of 50 stat students who passed the departmental final exam percentage of all stat students who pased the departmental final exam a stat student v whether or not they passed the final a. individual b. variable C. statistic d. parameter e. population Priv f. sample 21 MacBook Pro esc F1 F2 F3 F4 F5 F6 F7 @ #3 $ 3 4 Q W E R FabSuppose that 95% of the bags of certain fertilizer mix weigh between 49 and 53 pounds. Averages of three succesive bags were plotted, and 47.5% of these were observed to lie between 51 and X pounds. Estimate the value of X. State assumptions you make and say whether these assumptions are likely to be true for this example.
- .com/u/0/c/MTUZNDkwMZAyNjkz/a/MzMxMDg2MjcdMJ4/delalils Cpen w th - 8) On June 11, 2004, tennis player Andy Roddick delivered the fastest tennis serve ever recorded by radar. If the radar gun being used that day sent out signals every 0.1 second and recorded the ball moving 22.44 feet between flashes, how fast was Andy Roddick's serve in Miles per Hour? A) Fill in the blanks with their proper units of measurement, The labels for cancellation should be arranged diagonally, positioning their numbers correctly for multiplication horizontally. 60 60 22.44 feet 1 mile 0.1 seconds 5,280 1 hour miles hour (Use your calculator to divide this ratio fraction for your final answer below) B) Calculate to answer: "Andy Roddick's serve was miles per hour." 9) The stadium where the Philadelphia Phillies professional baseball team plays shows a distance, from home plate to the foul pole, of 329 feet. What is this distance approximately in meters (instead of feet)? 329 ft 12 2.54 100 Page 4 z100 %24 % &…Psychology students in the Izmir University of Economics completed the Dental Anxiety Scale questionnaire in 2020. In this study, scores on the scale range from 0 (no anxiety) to 20 (extreme anxiety). The mean score was 14 and the standard deviation was 3.5. Assume that the distribution of all scores on the Dental Aroxiety Scale is normal with u= 14 and g=35. Complete parts a through c A Click here to view a table of areas under the standardized normal curve O Table of Normal Curve Areas a. Suppose you score a 18 on the Dental Anxiety Scale. Find the z-value for this score. z= (Round to the nearest hundredth as needed ) b. Find the probability that someone scores between 13 and 18 on the Dental Anxiety Scale P(13sxs 18) =D (Round to four decimal places as needed) c. Find the probability that someone scores above 17 on the Dental Anxiety Scale P(x> 17)=(Round to four decimal places as needed.) Enter your answer in each of the answer boxes. |8 目 國 100 |8 案 |8 業 可 0 | 会效 到商同 我目 |Q1 Tn a Study obout vital fever, the number of people Gtody offected in o town were noted as . Age in Year o-10 10-20 20-30 30-4040-50 So-bo b0-70 No. of 13 people Affact ed 16 26 28 12 17 14 Find its stondord of deviation ond Co-efficient voriation
- Psychology students in the Izmir University of Economics completed the Dental Anxiety Scale questionnaire in 2020. In this study, scores on the scale range from 0 (no anxiety) to 20 (extreme anxiety). The mean score was 14 and the standard deviation was 3.5. Assume that the distribution of all scores on the Dental Arociety Scale is normal with u= 14 and o =3.5. Complete parts a through c A Click here to view a table of areas under the standardized normal curve A Table of Normal Curve Areas a. Suppose you score a 18 on the Dental Aniety Scale. Find the z-value for this score. z= (Round to the nearest hundredth as needed) b. Find the probability that someone scores between 13 and 18 on the Dental Anxiety Scale. P(13sxs 18) =O (Round to four decimal places as needed ) c. Find the probability that someone scores above 17 on the Dental Anxiety Scale Pix> 17) =D (Round to four decimal places as needed.) Enter your answer in each of the answer boxes 男明 國 1 1 网 解 8 1101 |8 与的 Olength period cm 1 19 0.8625 *. 24 0.9667 3 29 1.1083 4. 34 1.1958 ... 39 1.2292 ... 6 44 1.3625 7 49 1.4083 8 54 1.4542 9 58 1.5375 10 63 1.6792 11 68 1.6875 period vs length 1.7 1.6 1.5 1.4 1.3 1.2 1.1 1 0.9 20 30 40 50 60 length (cm) Display Curve Fit Uncertainties period Curve: t = Al +B A : 0.0167 B: 0.589 s RMSE : 0.0355 s r: 0.992 cm (s) pouadEyeglassomatic manufactures eyeglasses for different retailers. They test to see how many defective lenses they made the time period of January 1 to March 31. The table gives the defect and the number of defects. Do the data support the notion that each defect type occurs in the same proportion? Test at the 5% level. Number of Defective Lenses Defect type Number of defects Scratch 1866 Right shaped - small 1935 Flaked 1979 Wrong axis 1921 Chamfer wrong 1864 Crazing, cracks 1991 Wrong shape 2004 Wrong PD 1895 Spots and bubbles 1917 Wrong height 1885 Right shape - big 1875 Lost in lab 1886 Spots/bubble - intern 1935 State the hypotheses.H0: Each defect type in the same proportion.Ha: Each defect type in the same proportion. Calculate the χ2 test statistic. Round expected values to two decimal places. Round χ2 to three decimal places.χ2 = Calculate the p-value. Round to four decimal places.p-value = State your decision.Since p-value 0.05,…
