ZuoTi.Pro
Question

EXERCISES Some of the following exercises require the use of a computer and 8.10 sof Use the t table (Table 4) to find the following values a. t 10, 15 Use the t table (Table 4) to find the following values8.10 8,93 b. 10,23 c. t025, 83 d. t o5,195 8.94 of t. to1, 20 10,600 C. t0d. t 05,4 005, 33 8.10 Use a computer to find the following values of t. 05, 195 8.95 10,15 b. t a. t0s, 143 . 101, 12 a. P(t64 2.12) 025,83 d. t 8.96 Use a computer to find the following values of t. 8.97 Use a computer to find the following probabilities. 8.98 Use a computer to find the following probabilities. 025,c d.os, 100 8.10 c. P(t159> 1.33) foPt159 1.8 d. P(t550 > 1.85) b. P27> 1.90) 8.10 a. Pt141> .94) c. Pt1000> 1.96) b. P(421>2.00) d. Pt82 > 1.96) 8.99 Use the x table (Table 5) to find the following val- 8.108 ues of X,2 X01, 100 c. X95, 18 95, 18 d. X.99 8.100 Use the 8.109 ues of x2 a.hr, 26 Use a computer to find the following values of table (Table 5) to find the following val- c.x210, 1 b.X21, 30 χ09, 80 .01,30 C. d. 8.101 8.110 χ2 .10, 17 a.x35, 66. b. X40, 100 с. 0, 17 i da 17 8.102 Use a computer to find the following values of ?. 50, 17 d. а.X29, 55 b.Kns, 800 d.Ku,233 с.Х.99, 43 10, 233Factors That Identify the Chi-Squared Test and Estimator of o 1. Problem objective: Describe a population 2. Data type: Interval 3. Type of descriptive measurement: Variability EXERCISES Developing an Understanding of Statistical Concepts to determine whether we can infer that the pop- ulation variance differs from 300. The fullowing three exercises are wbat-if amalyses designed to determine what happens to the test statistics and interval esti- mates wben elements of the statistical inference change. These b. Repeat Part a changing the sample size to 50. c. What is the effect of decreasing the sample size? problems can be solved manually or using the Excel spreadsbeets. 12.71 a. The sample variance of a random sample of 12.70 a. A random sample of 100 observations was drawn population. The sample variance was calculated to be s2-220. Test with a.05 50 observations from a normal population was found to be s-80. Can we infer at the 1% sig- nificance level that o2 is less than 100? from a normal

Please answer the marked questions..........

Please show your work.............

math   Statistics-And-Probability   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

<843〉use the t tule t Find the filhowing vaues: Fo sigh 2406 Ca wo Fa 6) ON Av on e о.ns.8 3 Fo tuo tai le 2.2 823 ] D two tl 2.2821 七 o.0s, 1qse hove given 3 2 2Test stabshi 2 3 Db Hene degree of Fedom 2 23. 22S (Fom table) Decision .We evel oF igniticanie f 2are osion; rpuahon vorne is eva fo 3d0 now We haveTest stahshic 2 n49) (220) 6, 3 0 0 35 933 eed om 2. tublelev of significance 2 value herve ť test.dah-Kc vol此く χ2(T,Ka/ fheh we o. tewe Acept HoConcusionW we Accert H. mean foて00 sample si2e

0 0
Add a comment
Know the answer?
Add Answer to:
Please answer the marked questions.......... Please show your work............. EXERCISES Some of the following exercises require...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions

  • Please answer the marked questions.......... Please show your work............. you know that th 100, at the...

    Please answer the marked questions.......... Please show your work............. you know that th 100, at the b. Repeat part (a) assuming that ulation standard deviation is ơ the conclusions produced (a) assuming that you know that the n standard deviation is ơ 3( In art c. Explain why arts (a) and (b) are virtually identical, the interval estimate produced in narrower than that in part (a). why ling 1,000 membersofa normal popula- Applications nd 15,500 ands 9,950. Estimate The following...

  • Please answer the marked questions.......... Please show your work............. that all young adult men is greater...

    Please answer the marked questions.......... Please show your work............. that all young adult men is greater the IC than 50 min d the 65 74 66 37 45 68 64 50 48 65 58 55 52 63 59 57 74 65 the 11.38 1138 The club professional at a difficul that his course is so tough that t course boasts average golfer loses a dozen or more golf balls d ng a round of golf. A dubious golfer sets out...

  • Please show work so I can understand 3. Use the following table to answer the questions....

    Please show work so I can understand 3. Use the following table to answer the questions. -100 -80 -40 0 10 P(XSx)0.35 0.43 0.64 0.871 a) Find the probability that X is at most -50. b) Find the probability that X is more than -10. c) Find the probability that X is between (inclusive) -90 and 0. d) Construct the corresponding pdf. e) Calculate the variance of x.

  • Please show your work 4. Use the following table to answer the questions. -20 -15 40...

    Please show your work 4. Use the following table to answer the questions. -20 -15 40 50 P(Xex) 0.380.040.170.25 a) Find the value of a. b) What is the probability that X is 20? c) What is the probability that X is greater than 50? d) What is the probability that X is negative? e) Calculate the expected value of X.

  • Please answer all of the questions completely and show your work. Disregard the work already written....

    Please answer all of the questions completely and show your work. Disregard the work already written. Thank you! Topic 5: Tree Diagrams Tree Diagrams A tree diagram is great for solving probability problems that multiple stages. The probabilities of corresponding branches. Then multipl the probability of that particular sequence of events occurring involve successive events or each outcome for each stage are written on the ying the probabilities along a sequence of branches yields 1. Betsy flips a coin three...

  • Answer all of the following parts of the question(s) (Part A) In a study regarding public...

    Answer all of the following parts of the question(s) (Part A) In a study regarding public opinion about ObamaCare, how many people (at a minimum) should be included in a sample to be 95% sure that the sample estimate is within three percentage points of the population proportion p? Group of answer choices (A) 1068 (B) 1067 (C) 752 (D) 33 (Part B) Specify the rejection region associated with the test of H_0: mu = 10, H_a: mu > 10...

  • 2119a review 21242-Monday Test MAT 1272 Practice Exercises for testi 1. Use the following 20 values:...

    2119a review 21242-Monday Test MAT 1272 Practice Exercises for testi 1. Use the following 20 values: 222, 233, 254, 241, 251, 268, 276, 220, 238, 253,249, 236, 247, 256, 261, 227, 257, 244, 239, 242 to perform the following tasks: a) Construct a frequency distribution table using 6 classes b) Draw a histogram for the frequency distribution in part (a). 2. The data set below is a sample of the Mathematics test scores of 10 students: 56, 96, 78, 67,...

  • Please Home Chapter 3 Use the following information to answer the next three exercises. The casino...

    Please Home Chapter 3 Use the following information to answer the next three exercises. The casino game, roulette, allows the gambler to bet on the probability of a ball, which spins in the roulette wheel, landing on a particular color, number, or range of numbers. The table used to place bets contains of 38 numbers, and each number is assigned to a color and a range. Ist Dozen 2nd Dozen 3rd Dozen 1 to 18 EVEN ODD 19 to 36...

  • please answer questions a-d compeltely and show your work Part BShow your work on all free-response...

    please answer questions a-d compeltely and show your work Part BShow your work on all free-response questions, Be sure to use proper units and significant figures your final answers. For any multiple-choice questions, circle the letter of the one best answer (unless answer is asked for). more than a P P P. P P P 1. Two point charges, Q=-2.5 nC and Q Five equipotential surfaces (dashed curves above) are drawn for you in the diagram. (Assume that V= 0...

  • only 15.61 please Questions and Exercises 675 OBJECTIVE Calculate the concentrations of the species present in...

    only 15.61 please Questions and Exercises 675 OBJECTIVE Calculate the concentrations of the species present in a weak acid solution. 15.61 Write the iCe table and set up the equation needed to solve for the concentration of the hydrogen ion in the fol- lowing solutions. (a) 0.20 M CH COOH (b) 1.50 M HCOOH (c) 0.0055 M HCN (4) 0.075 M HNO, 15.62 Write the iCe table and set up the equation needed to solve for the concentration of the...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT