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- Gentle Ben is a Morgan horse at a Colorado dude ranch. Over the past 8 weeks, a veterinarian took the following glucose readings from this horse (in mg/100 ml). 95 88 80 107 101 108 84 87 The sample mean is x ≈ 93.8. Let x be a random variable representing glucose readings taken from Gentle Ben. We may assume that x has a normal distribution, and we know from past experience that ? = 12.5. The mean glucose level for horses should be ? = 85 mg/100 ml.† Do these data indicate that Gentle Ben has an overall average glucose level higher than 85? Use ? = 0.05. (a) Compute the z value of the sample statistic. (Round your answer to two decimal places.) (b) Find (or estimate) the P-value. (Round your answer to four decimal places.)you will not re eme back to the skipped part. Tutorial Exercise Find the area of the indicated region of the standard normal distribution. The region where z < -0.92 Part 1 of 2 First find the area of distribution between z = -0. .92 and z = 0. Recall that the standard normal distribution is symmetric. Therefore, the area of the distribution between z = -0.92 and z = 0 is the same as between z = 0 and z = 0.92. First find this area. N = 0.92 A Z = 0 A = Area of distribution between z = –0.92 and z = 0 is Submit Skip (you cannot come pack DETAILS AUFEXC4 13.4.EX.001. Cut-Off ScoresAA A www-awn.aleks.com Honey Blonde Lace F... Pf iCampus Login Bb Week 11 – MAT3004... A ALEKS - Shasia Gibb... O RANDOM VARIABLES AND DISTRIBU.. Standard normal values: Basic Let z be a standard normal random variable. Use the calculator provided, or this table, to determine the value of c. P(Z>c) = 0.1170 Round your answer to two decimal places. Explanation Check Terms of Use| Privacy Accessibility II
- Find the probability of z occurring in the indicated region. O A. 0.4656 O B. 0.9772 O C. 0.9656 O D. 0.0344 1.82 Click here tO view page 1of the standard normal ābe Click here to view page 2 of the standard normal table, Next 56°F nere to search ...The random variable X is the crew size of a randomly selected shuttle mission. Its probability distribution is shown below. Complete parts a through c. 2 5 6 7 8 D 4 0.045 0.306 P(X=x) 0.025 0.187 0.431 0.006 ... a. Find and interpret the mean of the random variable. μ= 5.947 (Round to three decimal places as needed.) Interpret the mean. Select the correct choice below and fill in the answer box to complete your choice. (Round to three decimal places as needed.) A. The average number of persons in a shuttle crew is 5.947 person(s). OB. The most common number of persons in a shuttle crew is person(s). b. Obtain the standard deviation of the random variable. O (Round to three decimal places as needed.) Check answer Help me solve this View an example Get more help. 30 20 F10 F4 MacBook Air F6 DII FB Clear all DD F9Gentle Ben is a Morgan horse at a Colorado dude ranch. Over the past 8 weeks, a veterinarian took the following glucose readings from this horse (in mg/100 ml). 95 86 80 103 99 110 82 87 The sample mean is x = 92.8. Let x be a random variable representing glucose readings taken from Gentle Ben. We may assume that x has a normal distribution, and we know from past experience that o = 12.5. The mean glucose level for horses should be u = 85 mg/100 ml.t Do these data indicate that Gentle Ben has an overall average glucose level higher than 85? Use a = 0.05. (a) What is the level of significance? State the null and alternate hypotheses. Will you use a left-tailed, right-tailed, or two-tailed test? O Ho: H = 85; H,: µ + 85; two-tailed O Ho: H = 85; H,: µ > 85; right-tailed O Ho: H = 85; H,: u 85; H,: u = 85; right-tailed (b) What sampling distribution will you use? Explain the rationale for your choice of sampling distribution. O The standard normal, since we assume that x has a normal…
- Suppose x is a normally-distributed random variable with mean µ= 50 and standard deviation o=2. Use the table to find the probability that x>55. Express your answer as a decimal. -2.5 -2 -1.5 -1 -0.5 0.5 1 1.5 2.5 Area 0.01 0.02 0.07 0.16 0.31 0.5 0.69 0.84 0.93 0.98 0.99 0.01 с. 0.64 а. d. 0.99 b. 0.98ot yet answered Plag question Let X be a random variable with the standard normal distribution. Find POX 21.13) O a. 1 O b. 0.3708 O c. None of these. O d. 0.5 O e. 0.1292Find the probability of z occurring in the indicated region of the standard normal distribution. Click here to view page 1 of the standard normal table. Click here to view page 2 of the standard normal table. 2.23 P(0Let z be a random variable with a standard normal distribution. Find the indicated probability. (Round your answer to four decimal places.) P(z ≥ −1.60)= _______________Shade the corresponding area under the standard normal curve.Find the probability of z occurring in the indicated region of the standard normal distribution. Click here to view page 1 of the standard normal table. Click here to view page 2 of the standard normal table. 2.24 P(0Let z be a random variable with a standard normal distribution. Find the indicated probability. (Round your answer to four decimal places.) P(z ≤ −1.99)=_________ Choose the corresponding area under the standard normal curve (look at screenshot).SEE MORE QUESTIONSRecommended textbooks for youMATLAB: An Introduction with ApplicationsStatisticsISBN:9781119256830Author:Amos GilatPublisher:John Wiley & Sons Inc
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