Finite Mathematics and Applied Calculus (MindTap Course List)
7th Edition
ISBN: 9781337274203
Author: Stefan Waner, Steven Costenoble
Publisher: Cengage Learning
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Chapter 8.3, Problem 71E
To determine
To calculate: The probability of admitted applicant that had a Math SAT below 400 from table of the math section of the SAT reasoning test of students admitted at UCLA for the fall semester 2014.
SAT Reasoning Test-Math Section
| 700-800 | 600-699 | 500-599 | 400-499 | 200-399 | Total | |
| Admitted | 8,398 | 3,517 | 1,410 | 358 | 9 | 13,692 |
| Not Admitted | 16,599 | 18,363 | 13,119 | 6,714 | 1,652 | 56,447 |
| Total Applicants | 24,997 | 21,880 | 14,529 | 7,072 | 1,661 | 70,139 |
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Chapter 8 Solutions
Finite Mathematics and Applied Calculus (MindTap Course List)
Ch. 8.1 - In Exercises 118, describe the sample space S of...Ch. 8.1 - Prob. 2ECh. 8.1 - In Exercises 118, describe the sample space S of...Ch. 8.1 - Prob. 4ECh. 8.1 - In Exercises 118, describe the sample space S of...Ch. 8.1 - Prob. 6ECh. 8.1 - In Exercises 118, describe the sample space S of...Ch. 8.1 - Prob. 8ECh. 8.1 - In Exercises 118, describe the sample space S of...Ch. 8.1 - Prob. 10E
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Prob. 55ECh. 8.3 - Prob. 56ECh. 8.3 - Prob. 57ECh. 8.3 - Prob. 58ECh. 8.3 - Prob. 59ECh. 8.3 - Gambling In Exercises 5562 are detailed some of...Ch. 8.3 - Prob. 61ECh. 8.3 - Prob. 62ECh. 8.3 - Astrology The astrology software package Turbo...Ch. 8.3 - Prob. 64ECh. 8.3 - Prob. 65ECh. 8.3 - Polls According to The New York Times/CBS poll of...Ch. 8.3 - Electric Car Sales In 2014 the probability that a...Ch. 8.3 - Hybrid Auto Sales In 2010 the probability that a...Ch. 8.3 - Student Admissions Exercises 6984 are based on the...Ch. 8.3 - Student Admissions Exercises 6984 are based on the...Ch. 8.3 - Prob. 71ECh. 8.3 - Prob. 72ECh. 8.3 - Prob. 73ECh. 8.3 - Prob. 74ECh. 8.3 - Student Admissions Exercises 6984 are based on the...Ch. 8.3 - Prob. 76ECh. 8.3 - Prob. 77ECh. 8.3 - Student Admissions Exercises 6984 are based on the...Ch. 8.3 - Prob. 79ECh. 8.3 - Student Admissions Exercises 6984 are based on the...Ch. 8.3 - Prob. 81ECh. 8.3 - Prob. 82ECh. 8.3 - Prob. 83ECh. 8.3 - Prob. 84ECh. 8.3 - Prob. 85ECh. 8.3 - 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In Exercises 1722, find the conditional...Ch. 8.5 - Prob. 19ECh. 8.5 - Prob. 20ECh. 8.5 - In Exercises 1722, find the conditional...Ch. 8.5 - In Exercises 1722, find the conditional...Ch. 8.5 - Prob. 23ECh. 8.5 - Prob. 24ECh. 8.5 - Prob. 25ECh. 8.5 - Exercises 2328 require the use of counting...Ch. 8.5 - Exercises 2328 require the use of counting...Ch. 8.5 - Exercises 2328 require the use of counting...Ch. 8.5 - In Exercises 2932, supply the missing quantities....Ch. 8.5 - Prob. 30ECh. 8.5 - In Exercises 2932, supply the missing quantities....Ch. 8.5 - In Exercises 2932, supply the missing quantities....Ch. 8.5 - In Exercises 3336, say whether the given pair of...Ch. 8.5 - Prob. 34ECh. 8.5 - In Exercises 3336, say whether the given pair of...Ch. 8.5 - In Exercises 3336, say whether the given pair of...Ch. 8.5 - Prob. 37ECh. 8.5 - Prob. 38ECh. 8.5 - Prob. 39ECh. 8.5 - Prob. 40ECh. 8.5 - Prob. 41ECh. 8.5 - Prob. 42ECh. 8.5 - If a coin is tossed 11 times, find the probability...Ch. 8.5 - Prob. 44ECh. 8.5 - Personal Bankruptcy In 2004 the probability that a...Ch. 8.5 - Prob. 46ECh. 8.5 - Existing Home Sales During the year ending April...Ch. 8.5 - Existing Home Sales Refer to the data given in...Ch. 8.5 - Prob. 49ECh. 8.5 - Prob. 50ECh. 8.5 - Marketing A market survey shows that 40% of the...Ch. 8.5 - Marketing A market survey shows that 60% of the...Ch. 8.5 - Road Safety In 1999 the probability that a...Ch. 8.5 - Prob. 54ECh. 8.5 - Publishing Exercises 5562 are based on the...Ch. 8.5 - Prob. 56ECh. 8.5 - Prob. 57ECh. 8.5 - Prob. 58ECh. 8.5 - Prob. 59ECh. 8.5 - Prob. 60ECh. 8.5 - Prob. 61ECh. 8.5 - Publishing Exercises 5562 are based on the...Ch. 8.5 - Prob. 63ECh. 8.5 - In Exercises 6368, draw an appropriate tree...Ch. 8.5 - In Exercises 6368, draw an appropriate tree...Ch. 8.5 - Prob. 66ECh. 8.5 - Prob. 67ECh. 8.5 - Prob. 68ECh. 8.5 - Education and Employment Exercises 6978 are based...Ch. 8.5 - Prob. 70ECh. 8.5 - Prob. 71ECh. 8.5 - Prob. 72ECh. 8.5 - Prob. 73ECh. 8.5 - 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Prob. 6ECh. 8.6 - In Exercises 18, use Bayes theorem or a tree...Ch. 8.6 - Prob. 8ECh. 8.6 - Music Downloading According to a study on the...Ch. 8.6 - Prob. 10ECh. 8.6 - Weather It snows in Greenland an average of once...Ch. 8.6 - Prob. 12ECh. 8.6 - University Admissions In fall 2014, 34% of...Ch. 8.6 - Prob. 14ECh. 8.6 - Side-Impact Hazard In 2004, 45.4% of all light...Ch. 8.6 - Prob. 16ECh. 8.6 - Athletic Fitness Tests Any athlete who fails the...Ch. 8.6 - Academic Testing Professor Frank Nabarro insists...Ch. 8.6 - Side-Impact Hazard (Compare Exercise 15.) 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- The racial/ethnic diversity of post high school students enrolled at MVCC during the fall 2020 semester is given below. Racial/Ethnic Diversity of Post High School Students Race/Ethnicity Percent* American Indian or Alaska Native 0.4% Asian 5.3% Black or African American 9.6% Hispanic or Latino 9.6% Two or more races 2.8% Native Hawaiian or Pacific Islander <0.1% Non-Resident Alien 0.5% Unknown 1.5% White 70.2% (*Percentages may not total 100 due to rounding) What is the race/ethnicity of the majority of students at MVCC? What total percent of students were either Black or African American or Hispanic or Latino? There were 3,444 students enrolled at MVCC at the time of the study. How many (not percent) students were Asian? (The answer must be a whole number.)arrow_forwardThe racial/ethnic diversity of post high school students enrolled at MVCC during the fall 2020 semester is given below. Racial/Ethnic Diversity of Post High School Students Race/Ethnicity Percent* American Indian or Alaska Native 0.4% Asian 5.3% Black or African American 9.6% Hispanic or Latino 9.6% Two or more races 2.8% Native Hawaiian or Pacific Islander <0.1% Non-Resident Alien 0.5% Unknown 1.5% White 70.2% (*Percentages may not total 100 due to rounding) Is race/ethnicity a qualitative or quantitative variable Is the data displayed in a frequency or relative frequency distribution?arrow_forwardA researcher wanted to know which smartphone is more popular to the customers in terms of: OPERATING SYSTEM, DESIGN, and SERVICE. The researcher was able to gather 66 responses presented in the dataset below. Assume that the researcher required the respondents to rate OPERATING SYSTEM, DESIGN, and SERVICE from 1 to 30, wherein 1 is the lowest rate and 30 is the highest. RESPONSES OS DESIGN SERVICE PHONE TYPE 1 28 25 27 Samsung Galaxy 2 27 24 27 Samsung Galaxy 3 27 23 26 Samsung Galaxy 4 27 28 27 Samsung Galaxy 5 27 20 25 Samsung Galaxy 6 27 26 27 Samsung Galaxy 7 27 23 27 Samsung Galaxy 8 26 24 25 Samsung Galaxy 9 26 25 24 Samsung Galaxy 10 26 23 25 Samsung Galaxy 11 25 22 23 Huawei 12 24 24 23 Huawei 13 23 21 21 Huawei 14 23 19 23 Huawei 15 22 21 21 Huawei 16 22 17 21 Huawei…arrow_forward
- A mayor running for re-election claims that during his term, average municipal taxes have fallen by $150. A conscientious statistician wants to test this claim. She surveys 45 of her neighbors and finds that their taxes decreased (in dollars) as follows: 149, 135, 147, 147, 160, 146, 165, 144, 142, 159, 138, 185, 143, 164, 143, 154, 163, 151, 171, 156, 133, 145, 180, 172, 166, 167, 149, 144, 154, 172, 138, 168, 179, 151, 131, 165, 114, 140, 162, 151, 136, 152, 157, 154, 136 The statistician assumes a population standard deviation of $13. Do you think the statistician should reject the mayor's claim? Why or why not? Step 1: State the hypothesis. ? Step 2: Determine the Features of the Distribution of Point Estimates Using the Central Limit Theorem. By the Central Limit Theorem, we know that the point estimates are [Select an answer distribution mean with and distribution standard deviation Step 3: Assuming the Claim is True, Find the Probability of Obtaining the Point Estimate. P? ✓ ? ✓…arrow_forwardA Statistics teacher wants to know if students exposed to the use of technology in the classroom got significantly higher scores in Statistics exam than those who are exposed to the traditional chalk and talk method. She took a sample of 30 students exposed to technology and recorded their Statistics exam scores: 95 88 81 98 81 80 83 80 91 80 75 83 88 85 81 85 83 86 89 88 90 89 88 85 87 86 66 85 65 95She then took a sample of 40 students who were taught using the traditional method 88 78 81 87 91 90 83 84 66 81 80 74 73 71 66 60 78 78 65 60 71 85 89 79 80 83 75 73 80 71 65 71 89 81 75 60 82 80 90 83 Help the teacher verify the hypothesis at α = 0.05.arrow_forwardCritical Thinking. For Exercises 5–20, watch out for these little buggers. Each of these exercises involves some feature that is somewhat tricky. Find the (a) mean, (b) median, (c) mode, (d) midrange, and then answer the given question. Football Player Numbers Listed below are the jersey numbers of 11 players randomly selected from the roster of the Seattle Seahawks when they won Super Bowl XLVIII. What do the results tell us?arrow_forward
- Students in a statistics class at Penn State were asked, "About how many minutes do you typically exercise in a week?" Responses from the women in the class were as follows: 60, 240, 0, 360, 450, 200, 100, 70, 240, 0, 60, 360, 180, 300, 0, 270 Responses from the men in the class were as follows: 180, 300, 60, 480, 0, 90, 300, 14, 600, 360, 120, 0, 240 1. What assumptions or conditions are required if conclusions are to be made about amount of exercise for the population of all Penn State students on the basis of these sample results? 2. Assume that the conditions are met, and conduct a test to determine whether the mean amount of exercise differs for men and women. This is an independent samples t-test. Do not assume variances are equal so use the unpooled formula. Specify the value of a that you chose to use. Report your t-test result in APA format: t(df) = p .05 if appropriate)arrow_forwardLast school year, the student body of a local university consisted of 30% freshmen, 24% sophomores, 26% juniors, and 20% seniors. A sample of 400 students taken from this year's student body showed the following number of students in each classification. Freshmen 113 Sophomores 98 Juniors 115 Seniors 74 We are interested in determining whether or not there has been a significant change in the classifications between the last school year and this school year. The calculated value for the test statistic equals Select one: a. .54. b. .65. c. 2.063. d. 2.664.arrow_forwardYou may need to use the appropriate technology to answer this question. A travel association reported the domestic airfare (in dollars) for business travel for the current year and the previous year. Below is a sample of 12 flights with their domestic airfares shown for both years. CurrentYear PreviousYear 345 315 526 451 420 474 216 206 285 275 405 432 635 585 710 650 605 545 517 547 570 496 610 580 (a) Formulate the hypotheses and test for a significant increase in the mean domestic airfare for business travel for the one-year period. H0: ?d = 0 Ha: ?d ≠ 0 H0: ?d < 0 Ha: ?d = 0 H0: ?d ≥ 0 Ha: ?d < 0 H0: ?d ≤ 0 Ha: ?d > 0 H0: ?d ≠ 0 Ha: ?d = 0 Calculate the test statistic. (Use current year airfare − previous year airfare. Round your answer to three decimal places.) Calculate the p-value. (Round your answer to four decimal places.) p-value = Using a 0.05 level of significance, what is your conclusion? Reject H0. We can conclude that…arrow_forward
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