v2v 34.9.Heart Rates For a certain group of Individuals, the average heart rate is 71 beats per minute. Assume the varlable is normally distributed and the standarddevlation Is 4 beats per minute. If a subject is selected at random, find the probability that the person has the following heart rate. Round the final answers to atleast four decimal places and intermediate z-value calculations to two decimal places.ExamplePart: 0/3Part 1 of 3(a) Between 66 and 74 beats per minuteP (66

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1 eart Rates For a certaln group of Individuals, the average heart rate Is 71 beats per minute. Assume the varlable Is normally distributed and the standard evlation Is 4 beats per minute. If a subject Is selected at random, find the probablity that the person has the following heart rate. Round the final answers to at ast four decimal places and Intermediate z-value calculations to two decimal places. Example Part: 0/3 Part 1 of 3 (a) Between 66 and 74 beats per minute P(66

1 eart Rates For a certaln group of Individuals, the average heart rate Is 71 beats per minute. Assume the varlable Is normally distributed and the standard evlation Is 4 beats per minute. If a subject Is selected at random, find the probablity that the person has the following heart rate. Round the final answers to at ast four decimal places and Intermediate z-value calculations to two decimal places. Example Part: 0/3 Part 1 of 3 (a) Between 66 and 74 beats per minute P(66

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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6 X 01:13:24 eBook Quality Progress, February 2005, reports on improvements in customer satisfaction and loyalty made by Bank of America. A key measure of customer satisfaction is the response (on a scale from 1 to 10) to the question: "Considering all the business you do with Bank of America, what is your overall satisfaction with Bank of America?" Here, a response of 9 or 10 represents "customer delight." Suppose that the survey selected 480 customers. Assume that 45% of Bank of America customers would currently express customer delight. That is, assume p = .45. (a) Find the probability that the sample proportion obtained from the sample of 480 Bank of America customers would be within three percentage points of the population proportion. That is, find P(.42 ≤ § ≤ .48). (Round your answer to 4 decimal places. Do not round intermediate values. Round z-value to 2 decimal places.) P(.42 ≤ ≤.48)
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Recently, Goran ran for president of the local school board. Of those who voted in the election, 80% had a high school diploma, and the other 20% did not. Goran got 70% of the vote of those with high school diplomas, while he got only 15% of the vote of those without high school diplomas. Let D denote the event that a randomly chosen voter (in the school board election) had a high school diploma and D denote the event that a randomly chosen voter did not have a high school diploma. Let V denote the event that a randomly chosen voter voted for Goran and V denote the event that a randomly chosen voter did not vote for Goran. Fill in the probabilities to complete the tree diagram below, and then answer the question that follows. Do not round any of your responses. (If necessary, consult a list of formulas.) (a) Fill in the missing probabilities. P(VD) = 0.7 P(DnV) = 0 P (D) = 0.8 Continue Submit Assignme Privacy Center | Accessibili (4¹) Ⓒ2022 McGraw Hill LLC. All Rights Reserved. Terms…
A popular theory is that presidential candidates have an advantage if they are taller than their main opponents. Listed are heights (in centimeters) of randomly selected presidents along with the heights of their main opponents. Complete parts (a) and (b) below. Height (cm) of President 185 170 179 191 194 179 9 Height (cm) of Main Opponent 170 184 174 166 194 182 Identify the test statistic. t= 0.57 (Round to two decimal places as needed.) Identify the P-value P-value = 0.286 (Round to three decimal places as needed.) What is the conclusion based on the hypothesis test? Since the P-value is greater than the significance level, fail to reject the null hypothesis. There is not sufficient evidence to support the claim that presidents tend to be taller than their opponents. b. Construct the confidence interval that could be used for the hypothesis test described in part (a). What feature of the confidence interval leads to the same conclusion reached in part (a)? The confidence interval…
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Joan's Nursery specializes in custom-designed landscaping for residential areas. The estimated labor cost associated with a particular landscaping proposal is based on the number of plantings of trees, shrubs, and so on to be used for the project. For cost estimating purposes, managers use two hours of labor time for the planting of a medium-sized tree. Actual times from a sample of 10 plantings during the past month follow (times in hours). 2.4 t (to 3 decimals) 2.8 Select your answer - 2.2 Ho : μ Select your answer - 2 Ha - Select your answer - ✪ 2 b. Compute the sample mean. (to 2 decimals) c. Compute the sample standard deviation. (to 4 decimals) d. Find the test statistic and p-value. (Use Table 2 in Appendix B.) ✪ 2.7 1.7 1.5 With a 0.05 level of significance, test to see whether the mean tree-planting time differs from two hours. a. State the null and alternative hypotheses. 1.6 2.4 2.6 3.1 p-value e. What is your conclusion? We - Select your answer-reject the null hypothesis.…
b) Calculate the fitness of a population with allele frequency x = 0.4. W = Give your answer rounded to 2 decimal places. Find the allele frequency, x, of a population with fitness 0.2. X =